diff --git a/api/cosmos/gov/v1/gov.pulsar.go b/api/cosmos/gov/v1/gov.pulsar.go
index d2a45c71478a..ac16e4d02aff 100644
--- a/api/cosmos/gov/v1/gov.pulsar.go
+++ b/api/cosmos/gov/v1/gov.pulsar.go
@@ -5644,24 +5644,72 @@ func (x *_Params_12_list) IsValid() bool {
 	return x.list != nil
 }
 
+var _ protoreflect.List = (*_Params_17_list)(nil)
+
+type _Params_17_list struct {
+	list *[]string
+}
+
+func (x *_Params_17_list) Len() int {
+	if x.list == nil {
+		return 0
+	}
+	return len(*x.list)
+}
+
+func (x *_Params_17_list) Get(i int) protoreflect.Value {
+	return protoreflect.ValueOfString((*x.list)[i])
+}
+
+func (x *_Params_17_list) Set(i int, value protoreflect.Value) {
+	valueUnwrapped := value.String()
+	concreteValue := valueUnwrapped
+	(*x.list)[i] = concreteValue
+}
+
+func (x *_Params_17_list) Append(value protoreflect.Value) {
+	valueUnwrapped := value.String()
+	concreteValue := valueUnwrapped
+	*x.list = append(*x.list, concreteValue)
+}
+
+func (x *_Params_17_list) AppendMutable() protoreflect.Value {
+	panic(fmt.Errorf("AppendMutable can not be called on message Params at list field OptimisticAuthorizedAddresses as it is not of Message kind"))
+}
+
+func (x *_Params_17_list) Truncate(n int) {
+	*x.list = (*x.list)[:n]
+}
+
+func (x *_Params_17_list) NewElement() protoreflect.Value {
+	v := ""
+	return protoreflect.ValueOfString(v)
+}
+
+func (x *_Params_17_list) IsValid() bool {
+	return x.list != nil
+}
+
 var (
-	md_Params                               protoreflect.MessageDescriptor
-	fd_Params_min_deposit                   protoreflect.FieldDescriptor
-	fd_Params_max_deposit_period            protoreflect.FieldDescriptor
-	fd_Params_voting_period                 protoreflect.FieldDescriptor
-	fd_Params_quorum                        protoreflect.FieldDescriptor
-	fd_Params_threshold                     protoreflect.FieldDescriptor
-	fd_Params_veto_threshold                protoreflect.FieldDescriptor
-	fd_Params_min_initial_deposit_ratio     protoreflect.FieldDescriptor
-	fd_Params_proposal_cancel_ratio         protoreflect.FieldDescriptor
-	fd_Params_proposal_cancel_dest          protoreflect.FieldDescriptor
-	fd_Params_expedited_voting_period       protoreflect.FieldDescriptor
-	fd_Params_expedited_threshold           protoreflect.FieldDescriptor
-	fd_Params_expedited_min_deposit         protoreflect.FieldDescriptor
-	fd_Params_burn_vote_quorum              protoreflect.FieldDescriptor
-	fd_Params_burn_proposal_deposit_prevote protoreflect.FieldDescriptor
-	fd_Params_burn_vote_veto                protoreflect.FieldDescriptor
-	fd_Params_min_deposit_ratio             protoreflect.FieldDescriptor
+	md_Params                                 protoreflect.MessageDescriptor
+	fd_Params_min_deposit                     protoreflect.FieldDescriptor
+	fd_Params_max_deposit_period              protoreflect.FieldDescriptor
+	fd_Params_voting_period                   protoreflect.FieldDescriptor
+	fd_Params_quorum                          protoreflect.FieldDescriptor
+	fd_Params_threshold                       protoreflect.FieldDescriptor
+	fd_Params_veto_threshold                  protoreflect.FieldDescriptor
+	fd_Params_min_initial_deposit_ratio       protoreflect.FieldDescriptor
+	fd_Params_proposal_cancel_ratio           protoreflect.FieldDescriptor
+	fd_Params_proposal_cancel_dest            protoreflect.FieldDescriptor
+	fd_Params_expedited_voting_period         protoreflect.FieldDescriptor
+	fd_Params_expedited_threshold             protoreflect.FieldDescriptor
+	fd_Params_expedited_min_deposit           protoreflect.FieldDescriptor
+	fd_Params_burn_vote_quorum                protoreflect.FieldDescriptor
+	fd_Params_burn_proposal_deposit_prevote   protoreflect.FieldDescriptor
+	fd_Params_burn_vote_veto                  protoreflect.FieldDescriptor
+	fd_Params_min_deposit_ratio               protoreflect.FieldDescriptor
+	fd_Params_optimistic_authorized_addresses protoreflect.FieldDescriptor
+	fd_Params_optimistic_rejected_threshold   protoreflect.FieldDescriptor
 )
 
 func init() {
@@ -5683,6 +5731,8 @@ func init() {
 	fd_Params_burn_proposal_deposit_prevote = md_Params.Fields().ByName("burn_proposal_deposit_prevote")
 	fd_Params_burn_vote_veto = md_Params.Fields().ByName("burn_vote_veto")
 	fd_Params_min_deposit_ratio = md_Params.Fields().ByName("min_deposit_ratio")
+	fd_Params_optimistic_authorized_addresses = md_Params.Fields().ByName("optimistic_authorized_addresses")
+	fd_Params_optimistic_rejected_threshold = md_Params.Fields().ByName("optimistic_rejected_threshold")
 }
 
 var _ protoreflect.Message = (*fastReflection_Params)(nil)
@@ -5846,6 +5896,18 @@ func (x *fastReflection_Params) Range(f func(protoreflect.FieldDescriptor, proto
 			return
 		}
 	}
+	if len(x.OptimisticAuthorizedAddresses) != 0 {
+		value := protoreflect.ValueOfList(&_Params_17_list{list: &x.OptimisticAuthorizedAddresses})
+		if !f(fd_Params_optimistic_authorized_addresses, value) {
+			return
+		}
+	}
+	if x.OptimisticRejectedThreshold != "" {
+		value := protoreflect.ValueOfString(x.OptimisticRejectedThreshold)
+		if !f(fd_Params_optimistic_rejected_threshold, value) {
+			return
+		}
+	}
 }
 
 // Has reports whether a field is populated.
@@ -5893,6 +5955,10 @@ func (x *fastReflection_Params) Has(fd protoreflect.FieldDescriptor) bool {
 		return x.BurnVoteVeto != false
 	case "cosmos.gov.v1.Params.min_deposit_ratio":
 		return x.MinDepositRatio != ""
+	case "cosmos.gov.v1.Params.optimistic_authorized_addresses":
+		return len(x.OptimisticAuthorizedAddresses) != 0
+	case "cosmos.gov.v1.Params.optimistic_rejected_threshold":
+		return x.OptimisticRejectedThreshold != ""
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cosmos.gov.v1.Params"))
@@ -5941,6 +6007,10 @@ func (x *fastReflection_Params) Clear(fd protoreflect.FieldDescriptor) {
 		x.BurnVoteVeto = false
 	case "cosmos.gov.v1.Params.min_deposit_ratio":
 		x.MinDepositRatio = ""
+	case "cosmos.gov.v1.Params.optimistic_authorized_addresses":
+		x.OptimisticAuthorizedAddresses = nil
+	case "cosmos.gov.v1.Params.optimistic_rejected_threshold":
+		x.OptimisticRejectedThreshold = ""
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cosmos.gov.v1.Params"))
@@ -6011,6 +6081,15 @@ func (x *fastReflection_Params) Get(descriptor protoreflect.FieldDescriptor) pro
 	case "cosmos.gov.v1.Params.min_deposit_ratio":
 		value := x.MinDepositRatio
 		return protoreflect.ValueOfString(value)
+	case "cosmos.gov.v1.Params.optimistic_authorized_addresses":
+		if len(x.OptimisticAuthorizedAddresses) == 0 {
+			return protoreflect.ValueOfList(&_Params_17_list{})
+		}
+		listValue := &_Params_17_list{list: &x.OptimisticAuthorizedAddresses}
+		return protoreflect.ValueOfList(listValue)
+	case "cosmos.gov.v1.Params.optimistic_rejected_threshold":
+		value := x.OptimisticRejectedThreshold
+		return protoreflect.ValueOfString(value)
 	default:
 		if descriptor.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cosmos.gov.v1.Params"))
@@ -6067,6 +6146,12 @@ func (x *fastReflection_Params) Set(fd protoreflect.FieldDescriptor, value proto
 		x.BurnVoteVeto = value.Bool()
 	case "cosmos.gov.v1.Params.min_deposit_ratio":
 		x.MinDepositRatio = value.Interface().(string)
+	case "cosmos.gov.v1.Params.optimistic_authorized_addresses":
+		lv := value.List()
+		clv := lv.(*_Params_17_list)
+		x.OptimisticAuthorizedAddresses = *clv.list
+	case "cosmos.gov.v1.Params.optimistic_rejected_threshold":
+		x.OptimisticRejectedThreshold = value.Interface().(string)
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cosmos.gov.v1.Params"))
@@ -6114,6 +6199,12 @@ func (x *fastReflection_Params) Mutable(fd protoreflect.FieldDescriptor) protore
 		}
 		value := &_Params_12_list{list: &x.ExpeditedMinDeposit}
 		return protoreflect.ValueOfList(value)
+	case "cosmos.gov.v1.Params.optimistic_authorized_addresses":
+		if x.OptimisticAuthorizedAddresses == nil {
+			x.OptimisticAuthorizedAddresses = []string{}
+		}
+		value := &_Params_17_list{list: &x.OptimisticAuthorizedAddresses}
+		return protoreflect.ValueOfList(value)
 	case "cosmos.gov.v1.Params.quorum":
 		panic(fmt.Errorf("field quorum of message cosmos.gov.v1.Params is not mutable"))
 	case "cosmos.gov.v1.Params.threshold":
@@ -6136,6 +6227,8 @@ func (x *fastReflection_Params) Mutable(fd protoreflect.FieldDescriptor) protore
 		panic(fmt.Errorf("field burn_vote_veto of message cosmos.gov.v1.Params is not mutable"))
 	case "cosmos.gov.v1.Params.min_deposit_ratio":
 		panic(fmt.Errorf("field min_deposit_ratio of message cosmos.gov.v1.Params is not mutable"))
+	case "cosmos.gov.v1.Params.optimistic_rejected_threshold":
+		panic(fmt.Errorf("field optimistic_rejected_threshold of message cosmos.gov.v1.Params is not mutable"))
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cosmos.gov.v1.Params"))
@@ -6186,6 +6279,11 @@ func (x *fastReflection_Params) NewField(fd protoreflect.FieldDescriptor) protor
 		return protoreflect.ValueOfBool(false)
 	case "cosmos.gov.v1.Params.min_deposit_ratio":
 		return protoreflect.ValueOfString("")
+	case "cosmos.gov.v1.Params.optimistic_authorized_addresses":
+		list := []string{}
+		return protoreflect.ValueOfList(&_Params_17_list{list: &list})
+	case "cosmos.gov.v1.Params.optimistic_rejected_threshold":
+		return protoreflect.ValueOfString("")
 	default:
 		if fd.IsExtension() {
 			panic(fmt.Errorf("proto3 declared messages do not support extensions: cosmos.gov.v1.Params"))
@@ -6320,6 +6418,16 @@ func (x *fastReflection_Params) ProtoMethods() *protoiface.Methods {
 		if l > 0 {
 			n += 2 + l + runtime.Sov(uint64(l))
 		}
+		if len(x.OptimisticAuthorizedAddresses) > 0 {
+			for _, s := range x.OptimisticAuthorizedAddresses {
+				l = len(s)
+				n += 2 + l + runtime.Sov(uint64(l))
+			}
+		}
+		l = len(x.OptimisticRejectedThreshold)
+		if l > 0 {
+			n += 2 + l + runtime.Sov(uint64(l))
+		}
 		if x.unknownFields != nil {
 			n += len(x.unknownFields)
 		}
@@ -6349,6 +6457,26 @@ func (x *fastReflection_Params) ProtoMethods() *protoiface.Methods {
 			i -= len(x.unknownFields)
 			copy(dAtA[i:], x.unknownFields)
 		}
+		if len(x.OptimisticRejectedThreshold) > 0 {
+			i -= len(x.OptimisticRejectedThreshold)
+			copy(dAtA[i:], x.OptimisticRejectedThreshold)
+			i = runtime.EncodeVarint(dAtA, i, uint64(len(x.OptimisticRejectedThreshold)))
+			i--
+			dAtA[i] = 0x1
+			i--
+			dAtA[i] = 0x92
+		}
+		if len(x.OptimisticAuthorizedAddresses) > 0 {
+			for iNdEx := len(x.OptimisticAuthorizedAddresses) - 1; iNdEx >= 0; iNdEx-- {
+				i -= len(x.OptimisticAuthorizedAddresses[iNdEx])
+				copy(dAtA[i:], x.OptimisticAuthorizedAddresses[iNdEx])
+				i = runtime.EncodeVarint(dAtA, i, uint64(len(x.OptimisticAuthorizedAddresses[iNdEx])))
+				i--
+				dAtA[i] = 0x1
+				i--
+				dAtA[i] = 0x8a
+			}
+		}
 		if len(x.MinDepositRatio) > 0 {
 			i -= len(x.MinDepositRatio)
 			copy(dAtA[i:], x.MinDepositRatio)
@@ -7052,6 +7180,70 @@ func (x *fastReflection_Params) ProtoMethods() *protoiface.Methods {
 				}
 				x.MinDepositRatio = string(dAtA[iNdEx:postIndex])
 				iNdEx = postIndex
+			case 17:
+				if wireType != 2 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field OptimisticAuthorizedAddresses", wireType)
+				}
+				var stringLen uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrIntOverflow
+					}
+					if iNdEx >= l {
+						return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					stringLen |= uint64(b&0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				intStringLen := int(stringLen)
+				if intStringLen < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				postIndex := iNdEx + intStringLen
+				if postIndex < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				if postIndex > l {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+				}
+				x.OptimisticAuthorizedAddresses = append(x.OptimisticAuthorizedAddresses, string(dAtA[iNdEx:postIndex]))
+				iNdEx = postIndex
+			case 18:
+				if wireType != 2 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, fmt.Errorf("proto: wrong wireType = %d for field OptimisticRejectedThreshold", wireType)
+				}
+				var stringLen uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrIntOverflow
+					}
+					if iNdEx >= l {
+						return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					stringLen |= uint64(b&0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				intStringLen := int(stringLen)
+				if intStringLen < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				postIndex := iNdEx + intStringLen
+				if postIndex < 0 {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, runtime.ErrInvalidLength
+				}
+				if postIndex > l {
+					return protoiface.UnmarshalOutput{NoUnkeyedLiterals: input.NoUnkeyedLiterals, Flags: input.Flags}, io.ErrUnexpectedEOF
+				}
+				x.OptimisticRejectedThreshold = string(dAtA[iNdEx:postIndex])
+				iNdEx = postIndex
 			default:
 				iNdEx = preIndex
 				skippy, err := runtime.Skip(dAtA[iNdEx:])
@@ -7951,6 +8143,16 @@ type Params struct {
 	//
 	// Since: cosmos-sdk 0.50
 	MinDepositRatio string `protobuf:"bytes,16,opt,name=min_deposit_ratio,json=minDepositRatio,proto3" json:"min_deposit_ratio,omitempty"`
+	// optimistic_authorized_addresses is an optional governance parameter that limits the authorized accounts than can
+	// submit optimistic proposals
+	//
+	// Since: x/gov v1.0.0
+	OptimisticAuthorizedAddresses []string `protobuf:"bytes,17,rep,name=optimistic_authorized_addresses,json=optimisticAuthorizedAddresses,proto3" json:"optimistic_authorized_addresses,omitempty"`
+	// optimistic rejected threshold defines at which percentage of NO votes, the optimistic proposal should fail and be
+	// converted to a standard proposal. The threshold is expressed as a percentage of the total bonded tokens.
+	//
+	// Since: x/gov v1.0.0
+	OptimisticRejectedThreshold string `protobuf:"bytes,18,opt,name=optimistic_rejected_threshold,json=optimisticRejectedThreshold,proto3" json:"optimistic_rejected_threshold,omitempty"`
 }
 
 func (x *Params) Reset() {
@@ -8085,6 +8287,20 @@ func (x *Params) GetMinDepositRatio() string {
 	return ""
 }
 
+func (x *Params) GetOptimisticAuthorizedAddresses() []string {
+	if x != nil {
+		return x.OptimisticAuthorizedAddresses
+	}
+	return nil
+}
+
+func (x *Params) GetOptimisticRejectedThreshold() string {
+	if x != nil {
+		return x.OptimisticRejectedThreshold
+	}
+	return ""
+}
+
 var File_cosmos_gov_v1_gov_proto protoreflect.FileDescriptor
 
 var file_cosmos_gov_v1_gov_proto_rawDesc = []byte{
@@ -8230,7 +8446,7 @@ var file_cosmos_gov_v1_gov_proto_rawDesc = []byte{
 	0x65, 0x74, 0x6f, 0x5f, 0x74, 0x68, 0x72, 0x65, 0x73, 0x68, 0x6f, 0x6c, 0x64, 0x18, 0x03, 0x20,
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+	0x6c, 0x64, 0x3a, 0x02, 0x18, 0x01, 0x22, 0xc5, 0x09, 0x0a, 0x06, 0x50, 0x61, 0x72, 0x61, 0x6d,
 	0x73, 0x12, 0x45, 0x0a, 0x0b, 0x6d, 0x69, 0x6e, 0x5f, 0x64, 0x65, 0x70, 0x6f, 0x73, 0x69, 0x74,
 	0x18, 0x01, 0x20, 0x03, 0x28, 0x0b, 0x32, 0x19, 0x2e, 0x63, 0x6f, 0x73, 0x6d, 0x6f, 0x73, 0x2e,
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@@ -8295,57 +8511,68 @@ var file_cosmos_gov_v1_gov_proto_rawDesc = []byte{
 	0x6d, 0x69, 0x6e, 0x5f, 0x64, 0x65, 0x70, 0x6f, 0x73, 0x69, 0x74, 0x5f, 0x72, 0x61, 0x74, 0x69,
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 }
 
 var (
diff --git a/docs/architecture/adr-069-gov-improvements.md b/docs/architecture/adr-069-gov-improvements.md
index 17f7f31841e2..70ddcc4bd5c4 100644
--- a/docs/architecture/adr-069-gov-improvements.md
+++ b/docs/architecture/adr-069-gov-improvements.md
@@ -6,7 +6,7 @@
 
 ## Status
 
-PROPOSED
+ACCEPTED
 
 ## Abstract
 
diff --git a/proto/cosmos/gov/v1/gov.proto b/proto/cosmos/gov/v1/gov.proto
index e270086ab2ae..222de4104910 100644
--- a/proto/cosmos/gov/v1/gov.proto
+++ b/proto/cosmos/gov/v1/gov.proto
@@ -303,4 +303,16 @@ message Params {
   //
   // Since: cosmos-sdk 0.50
   string min_deposit_ratio = 16 [(cosmos_proto.scalar) = "cosmos.Dec"];
+
+  // optimistic_authorized_addresses is an optional governance parameter that limits the authorized accounts than can
+  // submit optimistic proposals
+  //
+  // Since: x/gov v1.0.0
+  repeated string optimistic_authorized_addresses = 17 [(cosmos_proto.scalar) = "cosmos.AddressString"];
+
+  // optimistic rejected threshold defines at which percentage of NO votes, the optimistic proposal should fail and be
+  // converted to a standard proposal. The threshold is expressed as a percentage of the total bonded tokens.
+  //
+  // Since: x/gov v1.0.0
+  string optimistic_rejected_threshold = 18 [(cosmos_proto.scalar) = "cosmos.Dec"];
 }
diff --git a/tests/integration/gov/keeper/grpc_query_test.go b/tests/integration/gov/keeper/grpc_query_test.go
index 1cf5056bbf5e..46750fe4d169 100644
--- a/tests/integration/gov/keeper/grpc_query_test.go
+++ b/tests/integration/gov/keeper/grpc_query_test.go
@@ -22,9 +22,8 @@ func TestLegacyGRPCQueryTally(t *testing.T) {
 	addrs, _ := createValidators(t, f, []int64{5, 5, 5})
 
 	var (
-		req      *v1beta1.QueryTallyResultRequest
-		expRes   *v1beta1.QueryTallyResultResponse
-		proposal v1.Proposal
+		req    *v1beta1.QueryTallyResultRequest
+		expRes *v1beta1.QueryTallyResultResponse
 	)
 
 	testCases := []struct {
@@ -33,29 +32,13 @@ func TestLegacyGRPCQueryTally(t *testing.T) {
 		expPass   bool
 		expErrMsg string
 	}{
-		{
-			"create a proposal and get tally",
-			func() {
-				var err error
-				proposal, err = f.govKeeper.SubmitProposal(ctx, TestProposal, "", "test", "description", addrs[0], v1.ProposalType_PROPOSAL_TYPE_STANDARD)
-				assert.NilError(t, err)
-				assert.Assert(t, proposal.String() != "")
-
-				req = &v1beta1.QueryTallyResultRequest{ProposalId: proposal.Id}
-
-				tallyResult := v1beta1.EmptyTallyResult()
-				expRes = &v1beta1.QueryTallyResultResponse{
-					Tally: tallyResult,
-				}
-			},
-			true,
-			"",
-		},
 		{
 			"request tally after few votes",
 			func() {
+				proposal, err := f.govKeeper.SubmitProposal(ctx, TestProposal, "", "test", "description", addrs[0], v1.ProposalType_PROPOSAL_TYPE_STANDARD)
+				assert.NilError(t, err)
 				proposal.Status = v1.StatusVotingPeriod
-				err := f.govKeeper.SetProposal(ctx, proposal)
+				err = f.govKeeper.SetProposal(ctx, proposal)
 				assert.NilError(t, err)
 				assert.NilError(t, f.govKeeper.AddVote(ctx, proposal.Id, addrs[0], v1.NewNonSplitVoteOption(v1.OptionYes), ""))
 				assert.NilError(t, f.govKeeper.AddVote(ctx, proposal.Id, addrs[1], v1.NewNonSplitVoteOption(v1.OptionYes), ""))
diff --git a/x/gov/CHANGELOG.md b/x/gov/CHANGELOG.md
index fff41b51bedd..26e15e70a682 100644
--- a/x/gov/CHANGELOG.md
+++ b/x/gov/CHANGELOG.md
@@ -25,17 +25,15 @@ Ref: https://keepachangelog.com/en/1.0.0/
 
 ## [Unreleased]
 
-## Improvements
-
-* [#18445](https://github.com/cosmos/cosmos-sdk/pull/18445) Extend gov config 
-
 ### Features
 
-* [#18532](https://github.com/cosmos/cosmos-sdk/pull/18532) Add SPAM vote proposals.
+* [#18532](https://github.com/cosmos/cosmos-sdk/pull/18532) Add SPAM vote to proposals.
 * [#18532](https://github.com/cosmos/cosmos-sdk/pull/18532) Add proposal types to proposals.
+* [#18620](https://github.com/cosmos/cosmos-sdk/pull/18620) Add optimistic proposals.
 
 ### Improvements
 
+* [#18445](https://github.com/cosmos/cosmos-sdk/pull/18445) Extend gov config 
 * [#18532](https://github.com/cosmos/cosmos-sdk/pull/18532) Repurpose `govcliutils.NormalizeProposalType` to work for gov v1 proposal types.
 
 ### API Breaking Changes
diff --git a/x/gov/README.md b/x/gov/README.md
index 4a513b22c016..f422673d32e4 100644
--- a/x/gov/README.md
+++ b/x/gov/README.md
@@ -38,7 +38,6 @@ staking token of the chain.
   * [Proposal submission](#proposal-submission)
   * [Deposit](#deposit)
   * [Vote](#vote)
-  * [Software Upgrade](#software-upgrade)
 * [State](#state)
   * [Proposals](#proposals)
   * [Parameters and base types](#parameters-and-base-types)
@@ -187,10 +186,29 @@ For a weighted vote to be valid, the `options` field must not contain duplicate
 Quorum is defined as the minimum percentage of voting power that needs to be
 cast on a proposal for the result to be valid.
 
-### Expedited Proposals
+### Proposal Types
+
+Proposal types have been introduced in ADR-069.
+
+#### Standard proposal
+
+A standard proposal is a proposal that can contain any messages. The proposal follows the standard governance flow and governance parameters.
+
+#### Expedited Proposal
 
 A proposal can be expedited, making the proposal use shorter voting duration and a higher tally threshold by its default. If an expedited proposal fails to meet the threshold within the scope of shorter voting duration, the expedited proposal is then converted to a regular proposal and restarts voting under regular voting conditions.
 
+#### Optimistic Proposal
+
+An optimistic proposal is a proposal that passes unless a threshold a NO votes is reached.
+Voter can only vote NO on the proposal. If the NO threshold is reached, the optimistic proposal is converted to a standard proposal.
+
+#### Multiple Choice Proposals
+
+A multiple choice proposal is a proposal where the voting options can be defined by the proposer.
+The number of voting options is limited to a maximum of 4.
+Multiple choice proposals, contrary to any other proposal type, cannot have messages to execute. They are only text proposals.
+
 #### Threshold
 
 Threshold is defined as the minimum proportion of `Yes` votes (excluding
@@ -427,67 +445,6 @@ For pseudocode purposes, here are the two function we will use to read or write
   voted. If the proposal is accepted, deposits are refunded. Finally, the proposal
   content `Handler` is executed.
 
-And the pseudocode for the `ProposalProcessingQueue`:
-
-```go
-  in EndBlock do
-
-    for finishedProposalID in GetAllFinishedProposalIDs(block.Time)
-      proposal = load(Governance, <proposalID|'proposal'>) // proposal is a const key
-
-      validators = Keeper.getAllValidators()
-      tmpValMap := map(sdk.AccAddress)ValidatorGovInfo
-
-      // Initiate mapping at 0. This is the amount of shares of the validator's vote that will be overridden by their delegator's votes
-      for each validator in validators
-        tmpValMap(validator.OperatorAddr).Minus = 0
-
-      // Tally
-      voterIterator = rangeQuery(Governance, <proposalID|'addresses'>) //return all the addresses that voted on the proposal
-      for each (voterAddress, vote) in voterIterator
-        delegations = stakingKeeper.getDelegations(voterAddress) // get all delegations for current voter
-
-        for each delegation in delegations
-          // make sure delegation.Shares does NOT include shares being unbonded
-          tmpValMap(delegation.ValidatorAddr).Minus += delegation.Shares
-          proposal.updateTally(vote, delegation.Shares)
-
-        _, isVal = stakingKeeper.getValidator(voterAddress)
-        if (isVal)
-          tmpValMap(voterAddress).Vote = vote
-
-      tallyingParam = load(GlobalParams, 'TallyingParam')
-
-      // Update tally if validator voted
-      for each validator in validators
-        if tmpValMap(validator).HasVoted
-          proposal.updateTally(tmpValMap(validator).Vote, (validator.TotalShares - tmpValMap(validator).Minus))
-
-
-
-      // Check if proposal is accepted or rejected
-      totalNonAbstain := proposal.YesVotes + proposal.NoVotes + proposal.NoWithVetoVotes
-      if (proposal.Votes.YesVotes/totalNonAbstain > tallyingParam.Threshold AND proposal.Votes.NoWithVetoVotes/totalNonAbstain  < tallyingParam.Veto)
-        //  proposal was accepted at the end of the voting period
-        //  refund deposits (non-voters already punished)
-        for each (amount, depositor) in proposal.Deposits
-          depositor.AtomBalance += amount
-
-        stateWriter, err := proposal.Handler()
-        if err != nil
-            // proposal passed but failed during state execution
-            proposal.CurrentStatus = ProposalStatusFailed
-         else
-            // proposal pass and state is persisted
-            proposal.CurrentStatus = ProposalStatusAccepted
-            stateWriter.save()
-      else
-        // proposal was rejected
-        proposal.CurrentStatus = ProposalStatusRejected
-
-      store(Governance, <proposalID|'proposal'>, proposal)
-```
-
 ### Legacy Proposal
 
 :::warning
@@ -575,7 +532,7 @@ The governance module emits the following events:
 ### EndBlocker
 
 | Type              | Attribute Key   | Attribute Value  |
-|-------------------|-----------------|------------------|
+| ----------------- | --------------- | ---------------- |
 | inactive_proposal | proposal_id     | {proposalID}     |
 | inactive_proposal | proposal_result | {proposalResult} |
 | active_proposal   | proposal_id     | {proposalID}     |
@@ -586,7 +543,7 @@ The governance module emits the following events:
 #### MsgSubmitProposal
 
 | Type                | Attribute Key       | Attribute Value |
-|---------------------|---------------------|-----------------|
+| ------------------- | ------------------- | --------------- |
 | submit_proposal     | proposal_id         | {proposalID}    |
 | submit_proposal [0] | voting_period_start | {proposalID}    |
 | proposal_deposit    | amount              | {depositAmount} |
@@ -600,7 +557,7 @@ The governance module emits the following events:
 #### MsgVote
 
 | Type          | Attribute Key | Attribute Value |
-|---------------|---------------|-----------------|
+| ------------- | ------------- | --------------- |
 | proposal_vote | option        | {voteOption}    |
 | proposal_vote | proposal_id   | {proposalID}    |
 | message       | module        | governance      |
@@ -610,7 +567,7 @@ The governance module emits the following events:
 #### MsgVoteWeighted
 
 | Type          | Attribute Key | Attribute Value       |
-|---------------|---------------|-----------------------|
+| ------------- | ------------- | --------------------- |
 | proposal_vote | option        | {weightedVoteOptions} |
 | proposal_vote | proposal_id   | {proposalID}          |
 | message       | module        | governance            |
@@ -620,7 +577,7 @@ The governance module emits the following events:
 #### MsgDeposit
 
 | Type                 | Attribute Key       | Attribute Value |
-|----------------------|---------------------|-----------------|
+| -------------------- | ------------------- | --------------- |
 | proposal_deposit     | amount              | {depositAmount} |
 | proposal_deposit     | proposal_id         | {proposalID}    |
 | proposal_deposit [0] | voting_period_start | {proposalID}    |
@@ -634,21 +591,23 @@ The governance module emits the following events:
 
 The governance module contains the following parameters:
 
-| Key                           | Type             | Example                                 |
-|-------------------------------|------------------|-----------------------------------------|
-| min_deposit                   | array (coins)    | [{"denom":"uatom","amount":"10000000"}] |
-| max_deposit_period            | string (time ns) | "172800000000000" (17280s)              |
-| voting_period                 | string (time ns) | "172800000000000" (17280s)              |
-| quorum                        | string (dec)     | "0.334000000000000000"                  |
-| threshold                     | string (dec)     | "0.500000000000000000"                  |
-| veto                          | string (dec)     | "0.334000000000000000"                  |
-| expedited_threshold           | string (time ns) | "0.667000000000000000"                  |
-| expedited_voting_period       | string (time ns) | "86400000000000" (8600s)                |
-| expedited_min_deposit         | array (coins)    | [{"denom":"uatom","amount":"50000000"}] |
-| burn_proposal_deposit_prevote | bool             | false                                    |
-| burn_vote_quorum              | bool             | false                                   |
-| burn_vote_veto                | bool             | true                                    |
-| min_initial_deposit_ratio                | string             | "0.1"                                    |
+| Key                             | Type                   | Example                                 |
+| ------------------------------- | ---------------------- | --------------------------------------- |
+| min_deposit                     | array (coins)          | [{"denom":"uatom","amount":"10000000"}] |
+| max_deposit_period              | string (time ns)       | "172800000000000" (17280s)              |
+| voting_period                   | string (time ns)       | "172800000000000" (17280s)              |
+| quorum                          | string (dec)           | "0.334000000000000000"                  |
+| threshold                       | string (dec)           | "0.500000000000000000"                  |
+| veto                            | string (dec)           | "0.334000000000000000"                  |
+| expedited_threshold             | string (time ns)       | "0.667000000000000000"                  |
+| expedited_voting_period         | string (time ns)       | "86400000000000" (8600s)                |
+| expedited_min_deposit           | array (coins)          | [{"denom":"uatom","amount":"50000000"}] |
+| burn_proposal_deposit_prevote   | bool                   | false                                   |
+| burn_vote_quorum                | bool                   | false                                   |
+| burn_vote_veto                  | bool                   | true                                    |
+| min_initial_deposit_ratio       | string                 | "0.1"                                   |
+| optimistic_rejected_threshold   | string (dec)           | "0.1"                                   |
+| optimistic_authorized_addresses | bytes array (addreses) | [][]                                    |
 
 **NOTE**: The governance module contains parameters that are objects unlike other
 modules. If only a subset of parameters are desired to be changed, only they need
diff --git a/x/gov/abci.go b/x/gov/abci.go
index 688619083dbc..db0cb1dbb439 100644
--- a/x/gov/abci.go
+++ b/x/gov/abci.go
@@ -127,19 +127,17 @@ func EndBlocker(ctx sdk.Context, keeper *keeper.Keeper) error {
 			return false, err
 		}
 
-		// If an expedited proposal fails, we do not want to update
-		// the deposit at this point since the proposal is converted to regular.
-		// As a result, the deposits are either deleted or refunded in all cases
-		// EXCEPT when an expedited proposal fails.
-		if passes || !(proposal.ProposalType == v1.ProposalType_PROPOSAL_TYPE_EXPEDITED) {
-			if burnDeposits {
-				err = keeper.DeleteAndBurnDeposits(ctx, proposal.Id)
-			} else {
-				err = keeper.RefundAndDeleteDeposits(ctx, proposal.Id)
-			}
-			if err != nil {
-				return false, err
-			}
+		// Deposits are always burned if tally said so, regardless of the proposal type.
+		// If a proposal passes, deposits are always refunded, regardless of the proposal type.
+		// If a proposal fails, and isn't spammy, deposits are refunded, unless the proposal is expedited or optimistic.
+		// An expedited or optimistic proposal that fails and isn't spammy is converted to a regular proposal.
+		if burnDeposits {
+			err = keeper.DeleteAndBurnDeposits(ctx, proposal.Id)
+		} else if passes || !(proposal.ProposalType == v1.ProposalType_PROPOSAL_TYPE_EXPEDITED || proposal.ProposalType == v1.ProposalType_PROPOSAL_TYPE_OPTIMISTIC) {
+			err = keeper.RefundAndDeleteDeposits(ctx, proposal.Id)
+		}
+		if err != nil {
+			return false, err
 		}
 
 		if err = keeper.ActiveProposalsQueue.Remove(ctx, collections.Join(*proposal.VotingEndTime, proposal.Id)); err != nil {
@@ -199,8 +197,9 @@ func EndBlocker(ctx sdk.Context, keeper *keeper.Keeper) error {
 				tagValue = types.AttributeValueProposalFailed
 				logMsg = fmt.Sprintf("passed, but msg %d (%s) failed on execution: %s", idx, sdk.MsgTypeURL(msg), err)
 			}
-		case proposal.ProposalType == v1.ProposalType_PROPOSAL_TYPE_EXPEDITED:
-			// When expedited proposal fails, it is converted
+		case !burnDeposits && (proposal.ProposalType == v1.ProposalType_PROPOSAL_TYPE_EXPEDITED ||
+			proposal.ProposalType == v1.ProposalType_PROPOSAL_TYPE_OPTIMISTIC):
+			// When a non spammy expedited/optimistic proposal fails, it is converted
 			// to a regular proposal. As a result, the voting period is extended, and,
 			// once the regular voting period expires again, the tally is repeated
 			// according to the regular proposal rules.
@@ -218,8 +217,13 @@ func EndBlocker(ctx sdk.Context, keeper *keeper.Keeper) error {
 				return false, err
 			}
 
-			tagValue = types.AttributeValueExpeditedProposalRejected
-			logMsg = "expedited proposal converted to regular"
+			if proposal.ProposalType == v1.ProposalType_PROPOSAL_TYPE_EXPEDITED {
+				tagValue = types.AttributeValueExpeditedProposalRejected
+				logMsg = "expedited proposal converted to regular"
+			} else {
+				tagValue = types.AttributeValueOptimisticProposalRejected
+				logMsg = "optimistic proposal converted to regular"
+			}
 		default:
 			proposal.Status = v1.StatusRejected
 			proposal.FailedReason = "proposal did not get enough votes to pass"
@@ -246,8 +250,8 @@ func EndBlocker(ctx sdk.Context, keeper *keeper.Keeper) error {
 		logger.Info(
 			"proposal tallied",
 			"proposal", proposal.Id,
-			"status", proposal.Status.String(),
 			"proposal_type", proposal.ProposalType,
+			"status", proposal.Status.String(),
 			"title", proposal.Title,
 			"results", logMsg,
 		)
diff --git a/x/gov/keeper/keeper.go b/x/gov/keeper/keeper.go
index 97f5a3d4bcb7..9cefe1f50853 100644
--- a/x/gov/keeper/keeper.go
+++ b/x/gov/keeper/keeper.go
@@ -2,6 +2,7 @@ package keeper
 
 import (
 	"context"
+	"errors"
 	"fmt"
 	"time"
 
@@ -208,6 +209,10 @@ func (k Keeper) validateProposalLengths(metadata, title, summary string) error {
 // assertTitleLength returns an error if given title length
 // is greater than a pre-defined MaxTitleLen.
 func (k Keeper) assertTitleLength(title string) error {
+	if len(title) == 0 {
+		return errors.New("proposal title cannot be empty")
+	}
+
 	if uint64(len(title)) > k.config.MaxTitleLen {
 		return types.ErrTitleTooLong.Wrapf("got title with length %d", len(title))
 	}
@@ -226,6 +231,10 @@ func (k Keeper) assertMetadataLength(metadata string) error {
 // assertSummaryLength returns an error if given summary length
 // is greater than a pre-defined MaxSummaryLen.
 func (k Keeper) assertSummaryLength(summary string) error {
+	if len(summary) == 0 {
+		return errors.New("proposal summary cannot be empty")
+	}
+
 	if uint64(len(summary)) > k.config.MaxSummaryLen {
 		return types.ErrSummaryTooLong.Wrapf("got summary with length %d", len(summary))
 	}
diff --git a/x/gov/keeper/keeper_test.go b/x/gov/keeper/keeper_test.go
index f53406677427..de8793aa7db2 100644
--- a/x/gov/keeper/keeper_test.go
+++ b/x/gov/keeper/keeper_test.go
@@ -73,7 +73,7 @@ func (suite *KeeperTestSuite) reset() {
 	suite.msgSrvr = keeper.NewMsgServerImpl(suite.govKeeper)
 
 	suite.legacyMsgSrvr = keeper.NewLegacyMsgServerImpl(govAcct.String(), suite.msgSrvr)
-	suite.addrs = simtestutil.AddTestAddrsIncremental(bankKeeper, stakingKeeper, ctx, 3, sdkmath.NewInt(30000000))
+	suite.addrs = simtestutil.AddTestAddrsIncremental(bankKeeper, stakingKeeper, ctx, 3, sdkmath.NewInt(300000000))
 
 	suite.acctKeeper.EXPECT().AddressCodec().Return(address.NewBech32Codec("cosmos")).AnyTimes()
 }
diff --git a/x/gov/keeper/migrations.go b/x/gov/keeper/migrations.go
index 5b95c821025c..945b44ffbc25 100644
--- a/x/gov/keeper/migrations.go
+++ b/x/gov/keeper/migrations.go
@@ -41,5 +41,5 @@ func (m Migrator) Migrate4to5(ctx sdk.Context) error {
 
 // Migrate4to5 migrates from version 5 to 6.
 func (m Migrator) Migrate5to6(ctx sdk.Context) error {
-	return v6.MigrateStore(ctx, m.keeper.Proposals)
+	return v6.MigrateStore(ctx, m.keeper.Params, m.keeper.Proposals)
 }
diff --git a/x/gov/keeper/msg_server.go b/x/gov/keeper/msg_server.go
index 2bbf32e76a32..be48b00c5dc3 100644
--- a/x/gov/keeper/msg_server.go
+++ b/x/gov/keeper/msg_server.go
@@ -29,13 +29,6 @@ var _ v1.MsgServer = msgServer{}
 
 // SubmitProposal implements the MsgServer.SubmitProposal method.
 func (k msgServer) SubmitProposal(goCtx context.Context, msg *v1.MsgSubmitProposal) (*v1.MsgSubmitProposalResponse, error) {
-	if msg.Title == "" {
-		return nil, errors.Wrap(sdkerrors.ErrInvalidRequest, "proposal title cannot be empty")
-	}
-	if msg.Summary == "" {
-		return nil, errors.Wrap(sdkerrors.ErrInvalidRequest, "proposal summary cannot be empty")
-	}
-
 	proposer, err := k.authKeeper.AddressCodec().StringToBytes(msg.GetProposer())
 	if err != nil {
 		return nil, sdkerrors.ErrInvalidAddress.Wrapf("invalid proposer address: %s", err)
@@ -63,33 +56,35 @@ func (k msgServer) SubmitProposal(goCtx context.Context, msg *v1.MsgSubmitPropos
 		// nothing can be done here, and this is still a valid case, so we ignore the error
 	}
 
+	// This method checks that all message metadata, summary and title
+	// has te expected length defined in the module configuration.
+	if err := k.validateProposalLengths(msg.Metadata, msg.Title, msg.Summary); err != nil {
+		return nil, err
+	}
+
 	proposalMsgs, err := msg.GetMsgs()
 	if err != nil {
 		return nil, err
 	}
 
 	ctx := sdk.UnwrapSDKContext(goCtx)
-	initialDeposit := msg.GetInitialDeposit()
-
 	params, err := k.Params.Get(ctx)
 	if err != nil {
 		return nil, fmt.Errorf("failed to get governance parameters: %w", err)
 	}
 
-	proposalType := msg.ProposalType
 	if msg.Expedited { // checking for backward compatibility
-		proposalType = v1.ProposalType_PROPOSAL_TYPE_EXPEDITED
+		msg.ProposalType = v1.ProposalType_PROPOSAL_TYPE_EXPEDITED
 	}
-
-	if err := k.validateInitialDeposit(ctx, params, initialDeposit, proposalType); err != nil {
+	if err := k.validateInitialDeposit(ctx, params, msg.GetInitialDeposit(), msg.ProposalType); err != nil {
 		return nil, err
 	}
 
-	if err := k.validateDepositDenom(ctx, params, initialDeposit); err != nil {
+	if err := k.validateDepositDenom(ctx, params, msg.GetInitialDeposit()); err != nil {
 		return nil, err
 	}
 
-	proposal, err := k.Keeper.SubmitProposal(ctx, proposalMsgs, msg.Metadata, msg.Title, msg.Summary, proposer, proposalType)
+	proposal, err := k.Keeper.SubmitProposal(ctx, proposalMsgs, msg.Metadata, msg.Title, msg.Summary, proposer, msg.ProposalType)
 	if err != nil {
 		return nil, err
 	}
@@ -191,8 +186,7 @@ func (k msgServer) Vote(ctx context.Context, msg *v1.MsgVote) (*v1.MsgVoteRespon
 		return nil, errors.Wrap(govtypes.ErrInvalidVote, msg.Option.String())
 	}
 
-	err = k.Keeper.AddVote(ctx, msg.ProposalId, accAddr, v1.NewNonSplitVoteOption(msg.Option), msg.Metadata)
-	if err != nil {
+	if err = k.Keeper.AddVote(ctx, msg.ProposalId, accAddr, v1.NewNonSplitVoteOption(msg.Option), msg.Metadata); err != nil {
 		return nil, err
 	}
 
@@ -278,7 +272,7 @@ func (k msgServer) UpdateParams(ctx context.Context, msg *v1.MsgUpdateParams) (*
 		return nil, errors.Wrapf(govtypes.ErrInvalidSigner, "invalid authority; expected %s, got %s", k.authority, msg.Authority)
 	}
 
-	if err := msg.Params.ValidateBasic(); err != nil {
+	if err := msg.Params.ValidateBasic(k.authKeeper.AddressCodec()); err != nil {
 		return nil, err
 	}
 
diff --git a/x/gov/keeper/msg_server_test.go b/x/gov/keeper/msg_server_test.go
index a9156f3f8527..6dd9035cb3d8 100644
--- a/x/gov/keeper/msg_server_test.go
+++ b/x/gov/keeper/msg_server_test.go
@@ -153,7 +153,7 @@ func (suite *KeeperTestSuite) TestMsgSubmitProposal() {
 					[]sdk.Msg{bankMsg},
 					initialDeposit,
 					proposer.String(),
-					strings.Repeat("1", 256),
+					strings.Repeat("1", 257),
 					"Proposal",
 					"description of proposal",
 					v1.ProposalType_PROPOSAL_TYPE_STANDARD,
@@ -452,6 +452,30 @@ func (suite *KeeperTestSuite) TestMsgVote() {
 			expErr:    true,
 			expErrMsg: "invalid vote option",
 		},
+		"optimistic proposal: wrong vote option": {
+			preRun: func() uint64 {
+				msg, err := v1.NewMsgSubmitProposal(
+					[]sdk.Msg{bankMsg},
+					minDeposit,
+					proposer.String(),
+					"",
+					"Proposal",
+					"description of proposal",
+					v1.ProposalType_PROPOSAL_TYPE_OPTIMISTIC,
+				)
+				suite.Require().NoError(err)
+
+				res, err := suite.msgSrvr.SubmitProposal(suite.ctx, msg)
+				suite.Require().NoError(err)
+				suite.Require().NotNil(res.ProposalId)
+				return res.ProposalId
+			},
+			option:    v1.VoteOption_VOTE_OPTION_ONE,
+			voter:     proposer,
+			metadata:  "",
+			expErr:    true,
+			expErrMsg: "optimistic proposals can only be rejected: invalid vote option",
+		},
 		"vote on inactive proposal": {
 			preRun: func() uint64 {
 				msg, err := v1.NewMsgSubmitProposal(
@@ -658,6 +682,30 @@ func (suite *KeeperTestSuite) TestMsgVoteWeighted() {
 			expErr:    true,
 			expErrMsg: "invalid vote option",
 		},
+		"optimistic proposal: wrong vote option": {
+			preRun: func() uint64 {
+				msg, err := v1.NewMsgSubmitProposal(
+					[]sdk.Msg{bankMsg},
+					minDeposit,
+					proposer.String(),
+					"",
+					"Proposal",
+					"description of proposal",
+					v1.ProposalType_PROPOSAL_TYPE_OPTIMISTIC,
+				)
+				suite.Require().NoError(err)
+
+				res, err := suite.msgSrvr.SubmitProposal(suite.ctx, msg)
+				suite.Require().NoError(err)
+				suite.Require().NotNil(res.ProposalId)
+				return res.ProposalId
+			},
+			option:    v1.NewNonSplitVoteOption(v1.VoteOption_VOTE_OPTION_ONE), // vote yes
+			voter:     proposer,
+			metadata:  "",
+			expErr:    true,
+			expErrMsg: "optimistic proposals can only be rejected: invalid vote option",
+		},
 		"weight sum < 1": {
 			preRun: func() uint64 {
 				return proposalID
diff --git a/x/gov/keeper/proposal.go b/x/gov/keeper/proposal.go
index 6d673824f3d4..761abe4d367e 100644
--- a/x/gov/keeper/proposal.go
+++ b/x/gov/keeper/proposal.go
@@ -5,6 +5,7 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"slices"
 	"strings"
 	"time"
 
@@ -18,18 +19,26 @@ import (
 
 // SubmitProposal creates a new proposal given an array of messages
 func (keeper Keeper) SubmitProposal(ctx context.Context, messages []sdk.Msg, metadata, title, summary string, proposer sdk.AccAddress, proposalType v1.ProposalType) (v1.Proposal, error) {
-	// This method checks that all message metadata, summary and title
-	// has te expected length defined in the module configuration.
-	if err := keeper.validateProposalLengths(metadata, title, summary); err != nil {
+	params, err := keeper.Params.Get(ctx)
+	if err != nil {
 		return v1.Proposal{}, err
 	}
 
+	// additional checks per proposal types
+	if proposalType == v1.ProposalType_PROPOSAL_TYPE_OPTIMISTIC {
+		proposerStr, _ := keeper.authKeeper.AddressCodec().BytesToString(proposer)
+
+		if len(params.OptimisticAuthorizedAddresses) > 0 {
+			if !slices.Contains(params.OptimisticAuthorizedAddresses, proposerStr) {
+				return v1.Proposal{}, errorsmod.Wrap(types.ErrInvalidProposer, "proposer is not authorized to submit optimistic proposal")
+			}
+		}
+	}
+
 	sdkCtx := sdk.UnwrapSDKContext(ctx)
-	// Will hold a string slice of all Msg type URLs.
-	msgs := []string{}
+	msgs := []string{} // will hold a string slice of all Msg type URLs.
 
-	// Loop through all messages and confirm that each has a handler and the gov module account
-	// as the only signer
+	// Loop through all messages and confirm that each has a handler and the gov module account as the only signer
 	for _, msg := range messages {
 		msgs = append(msgs, sdk.MsgTypeURL(msg))
 
@@ -81,15 +90,8 @@ func (keeper Keeper) SubmitProposal(ctx context.Context, messages []sdk.Msg, met
 		return v1.Proposal{}, err
 	}
 
-	params, err := keeper.Params.Get(ctx)
-	if err != nil {
-		return v1.Proposal{}, err
-	}
-
 	submitTime := sdkCtx.HeaderInfo().Time
-	depositPeriod := params.MaxDepositPeriod
-
-	proposal, err := v1.NewProposal(messages, proposalID, submitTime, submitTime.Add(*depositPeriod), metadata, title, summary, proposer, proposalType)
+	proposal, err := v1.NewProposal(messages, proposalID, submitTime, submitTime.Add(*params.MaxDepositPeriod), metadata, title, summary, proposer, proposalType)
 	if err != nil {
 		return v1.Proposal{}, err
 	}
diff --git a/x/gov/keeper/proposal_test.go b/x/gov/keeper/proposal_test.go
index e23dfbf20e4e..281b6563d58b 100644
--- a/x/gov/keeper/proposal_test.go
+++ b/x/gov/keeper/proposal_test.go
@@ -171,8 +171,6 @@ func (suite *KeeperTestSuite) TestSubmitProposal() {
 		{&v1beta1.TextProposal{Title: strings.Repeat("1234567890", 100), Description: "description"}, govAcct, "", v1.ProposalType_PROPOSAL_TYPE_STANDARD, nil},
 		{&v1beta1.TextProposal{Title: "title", Description: ""}, govAcct, "", v1.ProposalType_PROPOSAL_TYPE_STANDARD, nil},
 		{&v1beta1.TextProposal{Title: "title", Description: strings.Repeat("1234567890", 1000)}, govAcct, "", v1.ProposalType_PROPOSAL_TYPE_EXPEDITED, nil},
-		// error when metadata is too long (>10000)
-		{&tp, govAcct, strings.Repeat("a", 100001), v1.ProposalType_PROPOSAL_TYPE_EXPEDITED, types.ErrMetadataTooLong},
 		// error when signer is not gov acct
 		{&tp, randomAddr.String(), "", v1.ProposalType_PROPOSAL_TYPE_STANDARD, types.ErrInvalidSigner},
 		// error only when invalid route
diff --git a/x/gov/keeper/tally.go b/x/gov/keeper/tally.go
index fc84b7830ed1..95816e772468 100644
--- a/x/gov/keeper/tally.go
+++ b/x/gov/keeper/tally.go
@@ -10,23 +10,155 @@ import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
 )
 
-// TODO: Break into several smaller functions for clarity
-
-// Tally iterates over the votes and updates the tally of a proposal based on the voting power of the
-// voters
+// Tally iterates over the votes and updates the tally of a proposal based on the voting power of the voters
 func (keeper Keeper) Tally(ctx context.Context, proposal v1.Proposal) (passes, burnDeposits bool, tallyResults v1.TallyResult, err error) {
-	results := make(map[v1.VoteOption]math.LegacyDec)
-	results[v1.OptionYes] = math.LegacyZeroDec()
-	results[v1.OptionAbstain] = math.LegacyZeroDec()
-	results[v1.OptionNo] = math.LegacyZeroDec()
-	results[v1.OptionNoWithVeto] = math.LegacyZeroDec()
-	results[v1.OptionSpam] = math.LegacyZeroDec()
+	validators, err := keeper.getCurrentValidators(ctx)
+	if err != nil {
+		return false, false, v1.TallyResult{}, err
+	}
 
-	totalVotingPower := math.LegacyZeroDec()
-	currValidators := make(map[string]v1.ValidatorGovInfo)
+	totalVoterPower, results, err := keeper.calculateVoteResultsAndVotingPower(ctx, proposal.Id, validators)
+	if err != nil {
+		return false, false, v1.TallyResult{}, err
+	}
+
+	params, err := keeper.Params.Get(ctx)
+	if err != nil {
+		return false, false, v1.TallyResult{}, err
+	}
+	tallyResults = v1.NewTallyResultFromMap(results)
+
+	// If there is no staked coins, the proposal fails
+	totalBonded, err := keeper.sk.TotalBondedTokens(ctx)
+	if err != nil {
+		return false, false, v1.TallyResult{}, err
+	}
+
+	if totalBonded.IsZero() {
+		return false, false, tallyResults, nil
+	}
+
+	// If there are more spam votes than the sum of all other options, proposal fails
+	// A proposal with no votes should not be considered spam
+	if !totalVoterPower.Equal(math.LegacyZeroDec()) &&
+		results[v1.OptionSpam].GTE(results[v1.OptionOne].Add(results[v1.OptionTwo].Add(results[v1.OptionThree].Add(results[v1.OptionFour])))) {
+		return false, true, tallyResults, nil
+	}
+
+	switch proposal.ProposalType {
+	case v1.ProposalType_PROPOSAL_TYPE_OPTIMISTIC:
+		return keeper.tallyOptimistic(totalVoterPower, totalBonded, results, params)
+	case v1.ProposalType_PROPOSAL_TYPE_EXPEDITED:
+		return keeper.tallyExpedited(totalVoterPower, totalBonded, results, params)
+	case v1.ProposalType_PROPOSAL_TYPE_MULTIPLE_CHOICE:
+		return keeper.tallyMultipleChoice(totalVoterPower, totalBonded, results, params) // TODO(@julienrbrt): implement in follow up
+	default:
+		return keeper.tallyStandard(totalVoterPower, totalBonded, results, params)
+	}
+}
+
+// tallyStandard tallies the votes of a standard proposal
+func (keeper Keeper) tallyStandard(totalVoterPower math.LegacyDec, totalBonded math.Int, results map[v1.VoteOption]math.LegacyDec, params v1.Params) (passes, burnDeposits bool, tallyResults v1.TallyResult, err error) {
+	tallyResults = v1.NewTallyResultFromMap(results)
+
+	// If there is not enough quorum of votes, the proposal fails
+	percentVoting := totalVoterPower.Quo(math.LegacyNewDecFromInt(totalBonded))
+	quorum, _ := math.LegacyNewDecFromStr(params.Quorum)
+	if percentVoting.LT(quorum) {
+		return false, params.BurnVoteQuorum, tallyResults, nil
+	}
+
+	// If no one votes (everyone abstains), proposal fails
+	if totalVoterPower.Sub(results[v1.OptionAbstain]).Equal(math.LegacyZeroDec()) {
+		return false, false, tallyResults, nil
+	}
+
+	// If more than 1/3 of voters veto, proposal fails
+	vetoThreshold, _ := math.LegacyNewDecFromStr(params.VetoThreshold)
+	if results[v1.OptionNoWithVeto].Quo(totalVoterPower).GT(vetoThreshold) {
+		return false, params.BurnVoteVeto, tallyResults, nil
+	}
+
+	// If more than 1/2 of non-abstaining voters vote Yes, proposal passes
+	threshold, _ := math.LegacyNewDecFromStr(params.GetThreshold())
+
+	if results[v1.OptionYes].Quo(totalVoterPower.Sub(results[v1.OptionAbstain])).GT(threshold) {
+		return true, false, tallyResults, nil
+	}
+
+	// If more than 1/2 of non-abstaining voters vote No, proposal fails
+	return false, false, tallyResults, nil
+}
+
+// tallyExpedited tallies the votes of an expedited proposal
+func (keeper Keeper) tallyExpedited(totalVoterPower math.LegacyDec, totalBonded math.Int, results map[v1.VoteOption]math.LegacyDec, params v1.Params) (passes, burnDeposits bool, tallyResults v1.TallyResult, err error) {
+	tallyResults = v1.NewTallyResultFromMap(results)
+
+	// If there is not enough quorum of votes, the proposal fails
+	percentVoting := totalVoterPower.Quo(math.LegacyNewDecFromInt(totalBonded))
+	quorum, _ := math.LegacyNewDecFromStr(params.Quorum)
+	if percentVoting.LT(quorum) {
+		return false, params.BurnVoteQuorum, tallyResults, nil
+	}
+
+	// If no one votes (everyone abstains), proposal fails
+	if totalVoterPower.Sub(results[v1.OptionAbstain]).Equal(math.LegacyZeroDec()) {
+		return false, false, tallyResults, nil
+	}
+
+	// If more than 1/3 of voters veto, proposal fails
+	vetoThreshold, _ := math.LegacyNewDecFromStr(params.VetoThreshold)
+	if results[v1.OptionNoWithVeto].Quo(totalVoterPower).GT(vetoThreshold) {
+		return false, params.BurnVoteVeto, tallyResults, nil
+	}
+
+	// If more than 2/3 of non-abstaining voters vote Yes, proposal passes
+	threshold, _ := math.LegacyNewDecFromStr(params.GetExpeditedThreshold())
+
+	if results[v1.OptionYes].Quo(totalVoterPower.Sub(results[v1.OptionAbstain])).GT(threshold) {
+		return true, false, tallyResults, nil
+	}
 
-	// fetch all the bonded validators, insert them into currValidators
-	err = keeper.sk.IterateBondedValidatorsByPower(ctx, func(index int64, validator sdk.ValidatorI) (stop bool) {
+	// If more than 1/2 of non-abstaining voters vote No, proposal fails
+	return false, false, tallyResults, nil
+}
+
+// tallyOptimistic tallies the votes of an optimistic proposal
+func (keeper Keeper) tallyOptimistic(totalVoterPower math.LegacyDec, totalBonded math.Int, results map[v1.VoteOption]math.LegacyDec, params v1.Params) (passes, burnDeposits bool, tallyResults v1.TallyResult, err error) {
+	tallyResults = v1.NewTallyResultFromMap(results)
+	optimisticNoThreshold, _ := math.LegacyNewDecFromStr(params.OptimisticRejectedThreshold)
+
+	// If proposal has no votes, proposal passes
+	if totalVoterPower.Equal(math.LegacyZeroDec()) {
+		return true, false, tallyResults, nil
+	}
+
+	// If the threshold of no is reached, proposal fails
+	if results[v1.OptionNo].Quo(totalBonded.ToLegacyDec()).GT(optimisticNoThreshold) {
+		return false, false, tallyResults, nil
+	}
+
+	return true, false, tallyResults, nil
+}
+
+// tallyMultipleChoice tallies the votes of a multiple choice proposal
+func (keeper Keeper) tallyMultipleChoice(totalVoterPower math.LegacyDec, totalBonded math.Int, results map[v1.VoteOption]math.LegacyDec, params v1.Params) (passes, burnDeposits bool, tallyResults v1.TallyResult, err error) {
+	tallyResults = v1.NewTallyResultFromMap(results)
+
+	// If there is not enough quorum of votes, the proposal fails
+	percentVoting := totalVoterPower.Quo(math.LegacyNewDecFromInt(totalBonded))
+	quorum, _ := math.LegacyNewDecFromStr(params.Quorum)
+	if percentVoting.LT(quorum) {
+		return false, params.BurnVoteQuorum, tallyResults, nil
+	}
+
+	return true, false, tallyResults, nil
+}
+
+// getCurrentValidators fetches all the bonded validators, insert them into currValidators
+func (keeper Keeper) getCurrentValidators(ctx context.Context) (map[string]v1.ValidatorGovInfo, error) {
+	currValidators := make(map[string]v1.ValidatorGovInfo)
+	if err := keeper.sk.IterateBondedValidatorsByPower(ctx, func(index int64, validator sdk.ValidatorI) (stop bool) {
 		valBz, err := keeper.sk.ValidatorAddressCodec().StringToBytes(validator.GetOperator())
 		if err != nil {
 			return false
@@ -40,13 +172,26 @@ func (keeper Keeper) Tally(ctx context.Context, proposal v1.Proposal) (passes, b
 		)
 
 		return false
-	})
-	if err != nil {
-		return false, false, tallyResults, err
+	}); err != nil {
+		return nil, err
 	}
 
-	rng := collections.NewPrefixedPairRange[uint64, sdk.AccAddress](proposal.Id)
-	err = keeper.Votes.Walk(ctx, rng, func(key collections.Pair[uint64, sdk.AccAddress], vote v1.Vote) (bool, error) {
+	return currValidators, nil
+}
+
+// calculateVoteResultsAndVotingPower iterate over all votes, tally up the voting power of each validator
+// and returns the votes results from voters
+func (keeper Keeper) calculateVoteResultsAndVotingPower(
+	ctx context.Context,
+	proposalID uint64,
+	validators map[string]v1.ValidatorGovInfo,
+) (math.LegacyDec, map[v1.VoteOption]math.LegacyDec, error) {
+	totalVP := math.LegacyZeroDec()
+	results := createEmptyResults()
+
+	// iterate over all votes, tally up the voting power of each validator
+	rng := collections.NewPrefixedPairRange[uint64, sdk.AccAddress](proposalID)
+	if err := keeper.Votes.Walk(ctx, rng, func(key collections.Pair[uint64, sdk.AccAddress], vote v1.Vote) (bool, error) {
 		// if validator, just record it in the map
 		voter, err := keeper.authKeeper.AddressCodec().StringToBytes(vote.Voter)
 		if err != nil {
@@ -57,20 +202,21 @@ func (keeper Keeper) Tally(ctx context.Context, proposal v1.Proposal) (passes, b
 		if err != nil {
 			return false, err
 		}
-		if val, ok := currValidators[valAddrStr]; ok {
+
+		if val, ok := validators[valAddrStr]; ok {
 			val.Vote = vote.Options
-			currValidators[valAddrStr] = val
+			validators[valAddrStr] = val
 		}
 
 		// iterate over all delegations from voter, deduct from any delegated-to validators
 		err = keeper.sk.IterateDelegations(ctx, voter, func(index int64, delegation sdk.DelegationI) (stop bool) {
 			valAddrStr := delegation.GetValidatorAddr()
 
-			if val, ok := currValidators[valAddrStr]; ok {
+			if val, ok := validators[valAddrStr]; ok {
 				// There is no need to handle the special case that validator address equal to voter address.
 				// Because voter's voting power will tally again even if there will be deduction of voter's voting power from validator.
 				val.DelegatorDeductions = val.DelegatorDeductions.Add(delegation.GetShares())
-				currValidators[valAddrStr] = val
+				validators[valAddrStr] = val
 
 				// delegation shares * bonded / total shares
 				votingPower := delegation.GetShares().MulInt(val.BondedTokens).Quo(val.DelegatorShares)
@@ -80,7 +226,8 @@ func (keeper Keeper) Tally(ctx context.Context, proposal v1.Proposal) (passes, b
 					subPower := votingPower.Mul(weight)
 					results[option.Option] = results[option.Option].Add(subPower)
 				}
-				totalVotingPower = totalVotingPower.Add(votingPower)
+
+				totalVP = totalVP.Add(votingPower)
 			}
 
 			return false
@@ -90,14 +237,12 @@ func (keeper Keeper) Tally(ctx context.Context, proposal v1.Proposal) (passes, b
 		}
 
 		return false, keeper.Votes.Remove(ctx, collections.Join(vote.ProposalId, sdk.AccAddress(voter)))
-	})
-
-	if err != nil {
-		return false, false, tallyResults, err
+	}); err != nil {
+		return math.LegacyDec{}, nil, err
 	}
 
 	// iterate over the validators again to tally their voting power
-	for _, val := range currValidators {
+	for _, val := range validators {
 		if len(val.Vote) == 0 {
 			continue
 		}
@@ -110,64 +255,19 @@ func (keeper Keeper) Tally(ctx context.Context, proposal v1.Proposal) (passes, b
 			subPower := votingPower.Mul(weight)
 			results[option.Option] = results[option.Option].Add(subPower)
 		}
-		totalVotingPower = totalVotingPower.Add(votingPower)
-	}
-
-	params, err := keeper.Params.Get(ctx)
-	if err != nil {
-		return false, false, tallyResults, err
-	}
-	tallyResults = v1.NewTallyResultFromMap(results)
-
-	// TODO: Upgrade the spec to cover all of these cases & remove pseudocode.
-	// If there is no staked coins, the proposal fails
-	totalBonded, err := keeper.sk.TotalBondedTokens(ctx)
-	if err != nil {
-		return false, false, tallyResults, err
-	}
-
-	if totalBonded.IsZero() {
-		return false, false, tallyResults, nil
-	}
-
-	// If there is not enough quorum of votes, the proposal fails
-	percentVoting := totalVotingPower.Quo(math.LegacyNewDecFromInt(totalBonded))
-	quorum, _ := math.LegacyNewDecFromStr(params.Quorum)
-	if percentVoting.LT(quorum) {
-		return false, params.BurnVoteQuorum, tallyResults, nil
-	}
-
-	// If there are more spam votes than the sum of all other options, proposal fails
-	if results[v1.OptionSpam].GTE(results[v1.OptionOne].Add(results[v1.OptionTwo].Add(results[v1.OptionThree].Add(results[v1.OptionFour])))) {
-		return false, true, tallyResults, nil
-	}
-
-	// If no one votes (everyone abstains), proposal fails
-	if totalVotingPower.Sub(results[v1.OptionAbstain]).Equal(math.LegacyZeroDec()) {
-		return false, false, tallyResults, nil
-	}
-
-	// If more than 1/3 of voters veto, proposal fails
-	vetoThreshold, _ := math.LegacyNewDecFromStr(params.VetoThreshold)
-	if results[v1.OptionNoWithVeto].Quo(totalVotingPower).GT(vetoThreshold) {
-		return false, params.BurnVoteVeto, tallyResults, nil
+		totalVP = totalVP.Add(votingPower)
 	}
 
-	// If more than 1/2 of non-abstaining voters vote Yes, proposal passes
-	// For expedited 2/3
-	var thresholdStr string
-	if proposal.Expedited {
-		thresholdStr = params.GetExpeditedThreshold()
-	} else {
-		thresholdStr = params.GetThreshold()
-	}
-
-	threshold, _ := math.LegacyNewDecFromStr(thresholdStr)
+	return totalVP, results, nil
+}
 
-	if results[v1.OptionYes].Quo(totalVotingPower.Sub(results[v1.OptionAbstain])).GT(threshold) {
-		return true, false, tallyResults, nil
-	}
+func createEmptyResults() map[v1.VoteOption]math.LegacyDec {
+	results := make(map[v1.VoteOption]math.LegacyDec)
+	results[v1.OptionYes] = math.LegacyZeroDec()
+	results[v1.OptionAbstain] = math.LegacyZeroDec()
+	results[v1.OptionNo] = math.LegacyZeroDec()
+	results[v1.OptionNoWithVeto] = math.LegacyZeroDec()
+	results[v1.OptionSpam] = math.LegacyZeroDec()
 
-	// If more than 1/2 of non-abstaining voters vote No, proposal fails
-	return false, false, tallyResults, nil
+	return results
 }
diff --git a/x/gov/keeper/tally_test.go b/x/gov/keeper/tally_test.go
index 5db9a2db0fe7..01ee4ecd41ec 100644
--- a/x/gov/keeper/tally_test.go
+++ b/x/gov/keeper/tally_test.go
@@ -19,45 +19,45 @@ import (
 	sdk "github.com/cosmos/cosmos-sdk/types"
 )
 
-func TestTally(t *testing.T) {
-	type suite struct {
-		t        *testing.T
-		proposal v1.Proposal
-		valAddrs []sdk.ValAddress
-		delAddrs []sdk.AccAddress
-		keeper   *keeper.Keeper
-		ctx      sdk.Context
-		mocks    mocks
+type tallyFixture struct {
+	t        *testing.T
+	proposal v1.Proposal
+	valAddrs []sdk.ValAddress
+	delAddrs []sdk.AccAddress
+	keeper   *keeper.Keeper
+	ctx      sdk.Context
+	mocks    mocks
+}
+
+var (
+	// handy functions
+	setTotalBonded = func(s tallyFixture, n int64) {
+		s.mocks.stakingKeeper.EXPECT().ValidatorAddressCodec().Return(address.NewBech32Codec("cosmosvaloper")).AnyTimes()
+		s.mocks.stakingKeeper.EXPECT().TotalBondedTokens(gomock.Any()).Return(sdkmath.NewInt(n), nil)
+	}
+	delegatorVote = func(s tallyFixture, voter sdk.AccAddress, delegations []stakingtypes.Delegation, vote v1.VoteOption) {
+		err := s.keeper.AddVote(s.ctx, s.proposal.Id, voter, v1.NewNonSplitVoteOption(vote), "")
+		require.NoError(s.t, err)
+		s.mocks.stakingKeeper.EXPECT().
+			IterateDelegations(s.ctx, voter, gomock.Any()).
+			DoAndReturn(
+				func(ctx context.Context, voter sdk.AccAddress, fn func(index int64, d sdk.DelegationI) bool) error {
+					for i, d := range delegations {
+						fn(int64(i), d)
+					}
+					return nil
+				})
+	}
+	validatorVote = func(s tallyFixture, voter sdk.ValAddress, vote v1.VoteOption) {
+		// validatorVote is like delegatorVote but without delegations
+		delegatorVote(s, sdk.AccAddress(voter), nil, vote)
 	}
+)
 
-	var (
-		// handy functions
-		setTotalBonded = func(s suite, n int64) {
-			s.mocks.stakingKeeper.EXPECT().ValidatorAddressCodec().Return(address.NewBech32Codec("cosmosvaloper")).AnyTimes()
-			s.mocks.stakingKeeper.EXPECT().TotalBondedTokens(gomock.Any()).Return(sdkmath.NewInt(n), nil)
-		}
-		delegatorVote = func(s suite, voter sdk.AccAddress, delegations []stakingtypes.Delegation, vote v1.VoteOption) {
-			err := s.keeper.AddVote(s.ctx, s.proposal.Id, voter, v1.NewNonSplitVoteOption(vote), "")
-			require.NoError(s.t, err)
-			s.mocks.stakingKeeper.EXPECT().
-				IterateDelegations(s.ctx, voter, gomock.Any()).
-				DoAndReturn(
-					func(ctx context.Context, voter sdk.AccAddress, fn func(index int64, d sdk.DelegationI) bool) error {
-						for i, d := range delegations {
-							fn(int64(i), d)
-						}
-						return nil
-					})
-		}
-		validatorVote = func(s suite, voter sdk.ValAddress, vote v1.VoteOption) {
-			// validatorVote is like delegatorVote but without delegations
-			delegatorVote(s, sdk.AccAddress(voter), nil, vote)
-		}
-	)
+func TestTally_Standard(t *testing.T) {
 	tests := []struct {
 		name          string
-		proposalType  v1.ProposalType
-		setup         func(suite)
+		setup         func(tallyFixture)
 		expectedPass  bool
 		expectedBurn  bool
 		expectedTally v1.TallyResult
@@ -65,7 +65,7 @@ func TestTally(t *testing.T) {
 	}{
 		{
 			name: "no votes, no bonded tokens: prop fails",
-			setup: func(s suite) {
+			setup: func(s tallyFixture) {
 				setTotalBonded(s, 0)
 			},
 			expectedPass: false,
@@ -80,7 +80,7 @@ func TestTally(t *testing.T) {
 		},
 		{
 			name: "no votes: prop fails/burn deposit",
-			setup: func(s suite) {
+			setup: func(s tallyFixture) {
 				setTotalBonded(s, 10000000)
 			},
 			expectedPass: false,
@@ -95,7 +95,7 @@ func TestTally(t *testing.T) {
 		},
 		{
 			name: "one validator votes: prop fails/burn deposit",
-			setup: func(s suite) {
+			setup: func(s tallyFixture) {
 				setTotalBonded(s, 10000000)
 				validatorVote(s, s.valAddrs[0], v1.VoteOption_VOTE_OPTION_THREE)
 			},
@@ -111,7 +111,7 @@ func TestTally(t *testing.T) {
 		},
 		{
 			name: "one account votes without delegation: prop fails/burn deposit",
-			setup: func(s suite) {
+			setup: func(s tallyFixture) {
 				setTotalBonded(s, 10000000)
 				delegatorVote(s, s.delAddrs[0], nil, v1.VoteOption_VOTE_OPTION_ONE)
 			},
@@ -127,7 +127,7 @@ func TestTally(t *testing.T) {
 		},
 		{
 			name: "one delegator votes: prop fails/burn deposit",
-			setup: func(s suite) {
+			setup: func(s tallyFixture) {
 				setTotalBonded(s, 10000000)
 				delegations := []stakingtypes.Delegation{{
 					DelegatorAddress: s.delAddrs[0].String(),
@@ -148,7 +148,7 @@ func TestTally(t *testing.T) {
 		},
 		{
 			name: "one delegator votes yes, validator votes also yes: prop fails/burn deposit",
-			setup: func(s suite) {
+			setup: func(s tallyFixture) {
 				setTotalBonded(s, 10000000)
 				delegations := []stakingtypes.Delegation{{
 					DelegatorAddress: s.delAddrs[0].String(),
@@ -170,7 +170,7 @@ func TestTally(t *testing.T) {
 		},
 		{
 			name: "one delegator votes yes, validator votes no: prop fails/burn deposit",
-			setup: func(s suite) {
+			setup: func(s tallyFixture) {
 				setTotalBonded(s, 10000000)
 				delegations := []stakingtypes.Delegation{{
 					DelegatorAddress: s.delAddrs[0].String(),
@@ -197,7 +197,7 @@ func TestTally(t *testing.T) {
 			// second validator votes no
 			// third validator (no delegation) votes abstain
 			name: "delegator with mixed delegations: prop fails/burn deposit",
-			setup: func(s suite) {
+			setup: func(s tallyFixture) {
 				setTotalBonded(s, 10000000)
 				delegations := []stakingtypes.Delegation{
 					{
@@ -228,7 +228,7 @@ func TestTally(t *testing.T) {
 		},
 		{
 			name: "quorum reached with only abstain: prop fails",
-			setup: func(s suite) {
+			setup: func(s tallyFixture) {
 				setTotalBonded(s, 10000000)
 				validatorVote(s, s.valAddrs[0], v1.VoteOption_VOTE_OPTION_TWO)
 				validatorVote(s, s.valAddrs[1], v1.VoteOption_VOTE_OPTION_TWO)
@@ -247,7 +247,7 @@ func TestTally(t *testing.T) {
 		},
 		{
 			name: "quorum reached with veto>1/3: prop fails/burn deposit",
-			setup: func(s suite) {
+			setup: func(s tallyFixture) {
 				setTotalBonded(s, 10000000)
 				validatorVote(s, s.valAddrs[0], v1.VoteOption_VOTE_OPTION_ONE)
 				validatorVote(s, s.valAddrs[1], v1.VoteOption_VOTE_OPTION_ONE)
@@ -269,7 +269,7 @@ func TestTally(t *testing.T) {
 		},
 		{
 			name: "quorum reached with yes<=.5: prop fails",
-			setup: func(s suite) {
+			setup: func(s tallyFixture) {
 				setTotalBonded(s, 10000000)
 				validatorVote(s, s.valAddrs[0], v1.VoteOption_VOTE_OPTION_ONE)
 				validatorVote(s, s.valAddrs[1], v1.VoteOption_VOTE_OPTION_ONE)
@@ -288,7 +288,7 @@ func TestTally(t *testing.T) {
 		},
 		{
 			name: "quorum reached with yes>.5: prop succeeds",
-			setup: func(s suite) {
+			setup: func(s tallyFixture) {
 				setTotalBonded(s, 10000000)
 				validatorVote(s, s.valAddrs[0], v1.VoteOption_VOTE_OPTION_ONE)
 				validatorVote(s, s.valAddrs[1], v1.VoteOption_VOTE_OPTION_ONE)
@@ -310,7 +310,7 @@ func TestTally(t *testing.T) {
 		},
 		{
 			name: "quorum reached thanks to abstain, yes>.5: prop succeeds",
-			setup: func(s suite) {
+			setup: func(s tallyFixture) {
 				setTotalBonded(s, 10000000)
 				validatorVote(s, s.valAddrs[0], v1.VoteOption_VOTE_OPTION_ONE)
 				validatorVote(s, s.valAddrs[1], v1.VoteOption_VOTE_OPTION_ONE)
@@ -330,9 +330,326 @@ func TestTally(t *testing.T) {
 			},
 		},
 		{
-			name:         "quorum reached with yes<=.667: expedited prop fails",
-			proposalType: v1.ProposalType_PROPOSAL_TYPE_EXPEDITED,
-			setup: func(s suite) {
+			name: "quorum reached with spam > all other votes: prop fails/burn deposit",
+			setup: func(s tallyFixture) {
+				setTotalBonded(s, 10000000)
+				validatorVote(s, s.valAddrs[0], v1.VoteOption_VOTE_OPTION_ONE)
+				// spam votes
+				validatorVote(s, s.valAddrs[1], v1.VoteOption_VOTE_OPTION_SPAM)
+				validatorVote(s, s.valAddrs[2], v1.VoteOption_VOTE_OPTION_SPAM)
+				validatorVote(s, s.valAddrs[3], v1.VoteOption_VOTE_OPTION_SPAM)
+				validatorVote(s, s.valAddrs[4], v1.VoteOption_VOTE_OPTION_SPAM)
+				validatorVote(s, s.valAddrs[5], v1.VoteOption_VOTE_OPTION_SPAM)
+				validatorVote(s, s.valAddrs[6], v1.VoteOption_VOTE_OPTION_SPAM)
+			},
+			expectedPass: false,
+			expectedBurn: true,
+			expectedTally: v1.TallyResult{
+				YesCount:        "1000000",
+				AbstainCount:    "0",
+				NoCount:         "0",
+				NoWithVetoCount: "0",
+				SpamCount:       "6000000",
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			govKeeper, mocks, _, ctx := setupGovKeeper(t, mockAccountKeeperExpectations)
+			params := v1.DefaultParams()
+			// Ensure params value are different than false
+			params.BurnVoteQuorum = true
+			params.BurnVoteVeto = true
+			err := govKeeper.Params.Set(ctx, params)
+			require.NoError(t, err)
+			var (
+				numVals       = 10
+				numDelegators = 5
+				addrs         = simtestutil.CreateRandomAccounts(numVals + numDelegators)
+				valAddrs      = simtestutil.ConvertAddrsToValAddrs(addrs[:numVals])
+				delAddrs      = addrs[numVals:]
+			)
+			// Mocks a bunch of validators
+			mocks.stakingKeeper.EXPECT().
+				IterateBondedValidatorsByPower(ctx, gomock.Any()).
+				DoAndReturn(
+					func(ctx context.Context, fn func(index int64, validator sdk.ValidatorI) bool) error {
+						for i := int64(0); i < int64(numVals); i++ {
+							fn(i, stakingtypes.Validator{
+								OperatorAddress: valAddrs[i].String(),
+								Status:          stakingtypes.Bonded,
+								Tokens:          sdkmath.NewInt(1000000),
+								DelegatorShares: sdkmath.LegacyNewDec(1000000),
+							})
+						}
+						return nil
+					})
+
+			// Submit and activate a proposal
+			proposal, err := govKeeper.SubmitProposal(ctx, TestProposal, "", "title", "summary", delAddrs[0], v1.ProposalType_PROPOSAL_TYPE_STANDARD)
+			require.NoError(t, err)
+			err = govKeeper.ActivateVotingPeriod(ctx, proposal)
+			require.NoError(t, err)
+			suite := tallyFixture{
+				t:        t,
+				proposal: proposal,
+				valAddrs: valAddrs,
+				delAddrs: delAddrs,
+				ctx:      ctx,
+				keeper:   govKeeper,
+				mocks:    mocks,
+			}
+			tt.setup(suite)
+
+			pass, burn, tally, err := govKeeper.Tally(ctx, proposal)
+
+			require.NoError(t, err)
+			assert.Equal(t, tt.expectedPass, pass, "wrong pass")
+			assert.Equal(t, tt.expectedBurn, burn, "wrong burn")
+			assert.Equal(t, tt.expectedTally, tally)
+			// Assert votes removal after tally
+			rng := collections.NewPrefixedPairRange[uint64, sdk.AccAddress](proposal.Id)
+			_, err = suite.keeper.Votes.Iterate(suite.ctx, rng)
+			assert.NoError(t, err)
+		})
+	}
+}
+
+func TestTally_Expedited(t *testing.T) {
+	tests := []struct {
+		name          string
+		setup         func(tallyFixture)
+		expectedPass  bool
+		expectedBurn  bool
+		expectedTally v1.TallyResult
+		expectedError string
+	}{
+		{
+			name: "no votes, no bonded tokens: prop fails",
+			setup: func(s tallyFixture) {
+				setTotalBonded(s, 0)
+			},
+			expectedPass: false,
+			expectedBurn: false,
+			expectedTally: v1.TallyResult{
+				YesCount:        "0",
+				AbstainCount:    "0",
+				NoCount:         "0",
+				NoWithVetoCount: "0",
+				SpamCount:       "0",
+			},
+		},
+		{
+			name: "no votes: prop fails/burn deposit",
+			setup: func(s tallyFixture) {
+				setTotalBonded(s, 10000000)
+			},
+			expectedPass: false,
+			expectedBurn: true, // burn because quorum not reached
+			expectedTally: v1.TallyResult{
+				YesCount:        "0",
+				AbstainCount:    "0",
+				NoCount:         "0",
+				NoWithVetoCount: "0",
+				SpamCount:       "0",
+			},
+		},
+		{
+			name: "one validator votes: prop fails/burn deposit",
+			setup: func(s tallyFixture) {
+				setTotalBonded(s, 10000000)
+				validatorVote(s, s.valAddrs[0], v1.VoteOption_VOTE_OPTION_THREE)
+			},
+			expectedPass: false,
+			expectedBurn: true, // burn because quorum not reached
+			expectedTally: v1.TallyResult{
+				YesCount:        "0",
+				AbstainCount:    "0",
+				NoCount:         "1000000",
+				NoWithVetoCount: "0",
+				SpamCount:       "0",
+			},
+		},
+		{
+			name: "one account votes without delegation: prop fails/burn deposit",
+			setup: func(s tallyFixture) {
+				setTotalBonded(s, 10000000)
+				delegatorVote(s, s.delAddrs[0], nil, v1.VoteOption_VOTE_OPTION_ONE)
+			},
+			expectedPass: false,
+			expectedBurn: true, // burn because quorum not reached
+			expectedTally: v1.TallyResult{
+				YesCount:        "0",
+				AbstainCount:    "0",
+				NoCount:         "0",
+				NoWithVetoCount: "0",
+				SpamCount:       "0",
+			},
+		},
+		{
+			name: "one delegator votes: prop fails/burn deposit",
+			setup: func(s tallyFixture) {
+				setTotalBonded(s, 10000000)
+				delegations := []stakingtypes.Delegation{{
+					DelegatorAddress: s.delAddrs[0].String(),
+					ValidatorAddress: s.valAddrs[0].String(),
+					Shares:           sdkmath.LegacyNewDec(42),
+				}}
+				delegatorVote(s, s.delAddrs[0], delegations, v1.VoteOption_VOTE_OPTION_ONE)
+			},
+			expectedPass: false,
+			expectedBurn: true, // burn because quorum not reached
+			expectedTally: v1.TallyResult{
+				YesCount:        "42",
+				AbstainCount:    "0",
+				NoCount:         "0",
+				NoWithVetoCount: "0",
+				SpamCount:       "0",
+			},
+		},
+		{
+			name: "one delegator votes yes, validator votes also yes: prop fails/burn deposit",
+			setup: func(s tallyFixture) {
+				setTotalBonded(s, 10000000)
+				delegations := []stakingtypes.Delegation{{
+					DelegatorAddress: s.delAddrs[0].String(),
+					ValidatorAddress: s.valAddrs[0].String(),
+					Shares:           sdkmath.LegacyNewDec(42),
+				}}
+				delegatorVote(s, s.delAddrs[0], delegations, v1.VoteOption_VOTE_OPTION_ONE)
+				validatorVote(s, s.valAddrs[0], v1.VoteOption_VOTE_OPTION_ONE)
+			},
+			expectedPass: false,
+			expectedBurn: true, // burn because quorum not reached
+			expectedTally: v1.TallyResult{
+				YesCount:        "1000000",
+				AbstainCount:    "0",
+				NoCount:         "0",
+				NoWithVetoCount: "0",
+				SpamCount:       "0",
+			},
+		},
+		{
+			name: "one delegator votes yes, validator votes no: prop fails/burn deposit",
+			setup: func(s tallyFixture) {
+				setTotalBonded(s, 10000000)
+				delegations := []stakingtypes.Delegation{{
+					DelegatorAddress: s.delAddrs[0].String(),
+					ValidatorAddress: s.valAddrs[0].String(),
+					Shares:           sdkmath.LegacyNewDec(42),
+				}}
+				delegatorVote(s, s.delAddrs[0], delegations, v1.VoteOption_VOTE_OPTION_ONE)
+				validatorVote(s, s.valAddrs[0], v1.VoteOption_VOTE_OPTION_THREE)
+			},
+			expectedPass: false,
+			expectedBurn: true, // burn because quorum not reached
+			expectedTally: v1.TallyResult{
+				YesCount:        "42",
+				AbstainCount:    "0",
+				NoCount:         "999958",
+				NoWithVetoCount: "0",
+				SpamCount:       "0",
+			},
+		},
+		{
+			// one delegator delegates 42 shares to 2 different validators (21 each)
+			// delegator votes yes
+			// first validator votes yes
+			// second validator votes no
+			// third validator (no delegation) votes abstain
+			name: "delegator with mixed delegations: prop fails/burn deposit",
+			setup: func(s tallyFixture) {
+				setTotalBonded(s, 10000000)
+				delegations := []stakingtypes.Delegation{
+					{
+						DelegatorAddress: s.delAddrs[0].String(),
+						ValidatorAddress: s.valAddrs[0].String(),
+						Shares:           sdkmath.LegacyNewDec(21),
+					},
+					{
+						DelegatorAddress: s.delAddrs[0].String(),
+						ValidatorAddress: s.valAddrs[1].String(),
+						Shares:           sdkmath.LegacyNewDec(21),
+					},
+				}
+				delegatorVote(s, s.delAddrs[0], delegations, v1.VoteOption_VOTE_OPTION_ONE)
+				validatorVote(s, s.valAddrs[0], v1.VoteOption_VOTE_OPTION_THREE)
+				validatorVote(s, s.valAddrs[1], v1.VoteOption_VOTE_OPTION_ONE)
+				validatorVote(s, s.valAddrs[2], v1.VoteOption_VOTE_OPTION_TWO)
+			},
+			expectedPass: false,
+			expectedBurn: true, // burn because quorum not reached
+			expectedTally: v1.TallyResult{
+				YesCount:        "1000021",
+				AbstainCount:    "1000000",
+				NoCount:         "999979",
+				NoWithVetoCount: "0",
+				SpamCount:       "0",
+			},
+		},
+		{
+			name: "quorum reached with only abstain: prop fails",
+			setup: func(s tallyFixture) {
+				setTotalBonded(s, 10000000)
+				validatorVote(s, s.valAddrs[0], v1.VoteOption_VOTE_OPTION_TWO)
+				validatorVote(s, s.valAddrs[1], v1.VoteOption_VOTE_OPTION_TWO)
+				validatorVote(s, s.valAddrs[2], v1.VoteOption_VOTE_OPTION_TWO)
+				validatorVote(s, s.valAddrs[3], v1.VoteOption_VOTE_OPTION_TWO)
+			},
+			expectedPass: false,
+			expectedBurn: false,
+			expectedTally: v1.TallyResult{
+				YesCount:        "0",
+				AbstainCount:    "4000000",
+				NoCount:         "0",
+				NoWithVetoCount: "0",
+				SpamCount:       "0",
+			},
+		},
+		{
+			name: "quorum reached with veto>1/3: prop fails/burn deposit",
+			setup: func(s tallyFixture) {
+				setTotalBonded(s, 10000000)
+				validatorVote(s, s.valAddrs[0], v1.VoteOption_VOTE_OPTION_ONE)
+				validatorVote(s, s.valAddrs[1], v1.VoteOption_VOTE_OPTION_ONE)
+				validatorVote(s, s.valAddrs[2], v1.VoteOption_VOTE_OPTION_ONE)
+				validatorVote(s, s.valAddrs[3], v1.VoteOption_VOTE_OPTION_ONE)
+				validatorVote(s, s.valAddrs[4], v1.VoteOption_VOTE_OPTION_FOUR)
+				validatorVote(s, s.valAddrs[5], v1.VoteOption_VOTE_OPTION_FOUR)
+				validatorVote(s, s.valAddrs[6], v1.VoteOption_VOTE_OPTION_FOUR)
+			},
+			expectedPass: false,
+			expectedBurn: true,
+			expectedTally: v1.TallyResult{
+				YesCount:        "4000000",
+				AbstainCount:    "0",
+				NoCount:         "0",
+				NoWithVetoCount: "3000000",
+				SpamCount:       "0",
+			},
+		},
+		{
+			name: "quorum reached with yes<=.5: prop fails",
+			setup: func(s tallyFixture) {
+				setTotalBonded(s, 10000000)
+				validatorVote(s, s.valAddrs[0], v1.VoteOption_VOTE_OPTION_ONE)
+				validatorVote(s, s.valAddrs[1], v1.VoteOption_VOTE_OPTION_ONE)
+				validatorVote(s, s.valAddrs[2], v1.VoteOption_VOTE_OPTION_THREE)
+				validatorVote(s, s.valAddrs[3], v1.VoteOption_VOTE_OPTION_THREE)
+			},
+			expectedPass: false,
+			expectedBurn: false,
+			expectedTally: v1.TallyResult{
+				YesCount:        "2000000",
+				AbstainCount:    "0",
+				NoCount:         "2000000",
+				NoWithVetoCount: "0",
+				SpamCount:       "0",
+			},
+		},
+		{
+			name: "quorum reached with yes<=.667: expedited prop fails",
+			setup: func(s tallyFixture) {
 				setTotalBonded(s, 10000000)
 				validatorVote(s, s.valAddrs[0], v1.VoteOption_VOTE_OPTION_ONE)
 				validatorVote(s, s.valAddrs[1], v1.VoteOption_VOTE_OPTION_ONE)
@@ -353,9 +670,8 @@ func TestTally(t *testing.T) {
 			},
 		},
 		{
-			name:         "quorum reached with yes>.667: expedited prop succeeds",
-			proposalType: v1.ProposalType_PROPOSAL_TYPE_EXPEDITED,
-			setup: func(s suite) {
+			name: "quorum reached with yes>.667: expedited prop succeeds",
+			setup: func(s tallyFixture) {
 				setTotalBonded(s, 10000000)
 				validatorVote(s, s.valAddrs[0], v1.VoteOption_VOTE_OPTION_ONE)
 				validatorVote(s, s.valAddrs[1], v1.VoteOption_VOTE_OPTION_ONE)
@@ -377,7 +693,7 @@ func TestTally(t *testing.T) {
 		},
 		{
 			name: "quorum reached with spam > all other votes: prop fails/burn deposit",
-			setup: func(s suite) {
+			setup: func(s tallyFixture) {
 				setTotalBonded(s, 10000000)
 				validatorVote(s, s.valAddrs[0], v1.VoteOption_VOTE_OPTION_ONE)
 				// spam votes
@@ -432,11 +748,174 @@ func TestTally(t *testing.T) {
 					})
 
 			// Submit and activate a proposal
-			proposal, err := govKeeper.SubmitProposal(ctx, TestProposal, "", "title", "summary", delAddrs[0], tt.proposalType)
+			proposal, err := govKeeper.SubmitProposal(ctx, TestProposal, "", "title", "summary", delAddrs[0], v1.ProposalType_PROPOSAL_TYPE_EXPEDITED)
+			require.NoError(t, err)
+			err = govKeeper.ActivateVotingPeriod(ctx, proposal)
+			require.NoError(t, err)
+			suite := tallyFixture{
+				t:        t,
+				proposal: proposal,
+				valAddrs: valAddrs,
+				delAddrs: delAddrs,
+				ctx:      ctx,
+				keeper:   govKeeper,
+				mocks:    mocks,
+			}
+			tt.setup(suite)
+
+			pass, burn, tally, err := govKeeper.Tally(ctx, proposal)
+
+			require.NoError(t, err)
+			assert.Equal(t, tt.expectedPass, pass, "wrong pass")
+			assert.Equal(t, tt.expectedBurn, burn, "wrong burn")
+			assert.Equal(t, tt.expectedTally, tally)
+			// Assert votes removal after tally
+			rng := collections.NewPrefixedPairRange[uint64, sdk.AccAddress](proposal.Id)
+			_, err = suite.keeper.Votes.Iterate(suite.ctx, rng)
+			assert.NoError(t, err)
+		})
+	}
+}
+
+func TestTally_Optimistic(t *testing.T) {
+	tests := []struct {
+		name          string
+		setup         func(tallyFixture)
+		expectedPass  bool
+		expectedBurn  bool
+		expectedTally v1.TallyResult
+		expectedError string
+	}{
+		{
+			name: "no votes, no bonded tokens: prop fails",
+			setup: func(s tallyFixture) {
+				setTotalBonded(s, 0)
+			},
+			expectedPass: false,
+			expectedBurn: false,
+			expectedTally: v1.TallyResult{
+				YesCount:        "0",
+				AbstainCount:    "0",
+				NoCount:         "0",
+				NoWithVetoCount: "0",
+				SpamCount:       "0",
+			},
+		},
+		{
+			name: "no votes: prop passes",
+			setup: func(s tallyFixture) {
+				setTotalBonded(s, 10000000)
+			},
+			expectedPass: true,
+			expectedBurn: false,
+			expectedTally: v1.TallyResult{
+				YesCount:        "0",
+				AbstainCount:    "0",
+				NoCount:         "0",
+				NoWithVetoCount: "0",
+				SpamCount:       "0",
+			},
+		},
+		{
+			name: "spam votes: prop fails/burn deposit",
+			setup: func(s tallyFixture) {
+				setTotalBonded(s, 10000000)
+				validatorVote(s, s.valAddrs[1], v1.VoteOption_VOTE_OPTION_SPAM)
+				validatorVote(s, s.valAddrs[2], v1.VoteOption_VOTE_OPTION_SPAM)
+				validatorVote(s, s.valAddrs[3], v1.VoteOption_VOTE_OPTION_SPAM)
+				validatorVote(s, s.valAddrs[4], v1.VoteOption_VOTE_OPTION_SPAM)
+				validatorVote(s, s.valAddrs[5], v1.VoteOption_VOTE_OPTION_SPAM)
+				validatorVote(s, s.valAddrs[6], v1.VoteOption_VOTE_OPTION_SPAM)
+			},
+			expectedPass: false,
+			expectedBurn: true,
+			expectedTally: v1.TallyResult{
+				YesCount:        "0",
+				AbstainCount:    "0",
+				NoCount:         "0",
+				NoWithVetoCount: "0",
+				SpamCount:       "6000000",
+			},
+		},
+		{
+			name: "one delegator votes: threshold no not reached, prop passes",
+			setup: func(s tallyFixture) {
+				setTotalBonded(s, 10000000)
+				delegations := []stakingtypes.Delegation{{
+					DelegatorAddress: s.delAddrs[0].String(),
+					ValidatorAddress: s.valAddrs[0].String(),
+					Shares:           sdkmath.LegacyNewDec(42),
+				}}
+				delegatorVote(s, s.delAddrs[0], delegations, v1.VoteOption_VOTE_OPTION_THREE)
+			},
+			expectedPass: true,
+			expectedBurn: false,
+			expectedTally: v1.TallyResult{
+				YesCount:        "0",
+				AbstainCount:    "0",
+				NoCount:         "42",
+				NoWithVetoCount: "0",
+				SpamCount:       "0",
+			},
+		},
+		{
+			name: "no vote threshold reached: prop fails",
+			setup: func(s tallyFixture) {
+				setTotalBonded(s, 10000000)
+				validatorVote(s, s.valAddrs[0], v1.VoteOption_VOTE_OPTION_THREE)
+				validatorVote(s, s.valAddrs[1], v1.VoteOption_VOTE_OPTION_THREE)
+				validatorVote(s, s.valAddrs[2], v1.VoteOption_VOTE_OPTION_THREE)
+				validatorVote(s, s.valAddrs[3], v1.VoteOption_VOTE_OPTION_THREE)
+			},
+			expectedPass: false,
+			expectedBurn: false,
+			expectedTally: v1.TallyResult{
+				YesCount:        "0",
+				AbstainCount:    "0",
+				NoCount:         "4000000",
+				NoWithVetoCount: "0",
+				SpamCount:       "0",
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			govKeeper, mocks, _, ctx := setupGovKeeper(t, mockAccountKeeperExpectations)
+			params := v1.DefaultParams()
+			// Ensure params value are different than false
+			params.BurnVoteQuorum = true
+			params.BurnVoteVeto = true
+			err := govKeeper.Params.Set(ctx, params)
+			require.NoError(t, err)
+			var (
+				numVals       = 10
+				numDelegators = 5
+				addrs         = simtestutil.CreateRandomAccounts(numVals + numDelegators)
+				valAddrs      = simtestutil.ConvertAddrsToValAddrs(addrs[:numVals])
+				delAddrs      = addrs[numVals:]
+			)
+			// Mocks a bunch of validators
+			mocks.stakingKeeper.EXPECT().
+				IterateBondedValidatorsByPower(ctx, gomock.Any()).
+				DoAndReturn(
+					func(ctx context.Context, fn func(index int64, validator sdk.ValidatorI) bool) error {
+						for i := int64(0); i < int64(numVals); i++ {
+							fn(i, stakingtypes.Validator{
+								OperatorAddress: valAddrs[i].String(),
+								Status:          stakingtypes.Bonded,
+								Tokens:          sdkmath.NewInt(1000000),
+								DelegatorShares: sdkmath.LegacyNewDec(1000000),
+							})
+						}
+						return nil
+					})
+
+			// Submit and activate a proposal
+			proposal, err := govKeeper.SubmitProposal(ctx, TestProposal, "", "title", "summary", delAddrs[0], v1.ProposalType_PROPOSAL_TYPE_OPTIMISTIC)
 			require.NoError(t, err)
 			err = govKeeper.ActivateVotingPeriod(ctx, proposal)
 			require.NoError(t, err)
-			suite := suite{
+			suite := tallyFixture{
 				t:        t,
 				proposal: proposal,
 				valAddrs: valAddrs,
diff --git a/x/gov/keeper/vote.go b/x/gov/keeper/vote.go
index 2be2ec2cd512..f06c3a9101f4 100644
--- a/x/gov/keeper/vote.go
+++ b/x/gov/keeper/vote.go
@@ -24,14 +24,26 @@ func (keeper Keeper) AddVote(ctx context.Context, proposalID uint64, voterAddr s
 		return errors.Wrapf(types.ErrInactiveProposal, "%d", proposalID)
 	}
 
-	err = keeper.assertMetadataLength(metadata)
+	if err := keeper.assertMetadataLength(metadata); err != nil {
+		return err
+	}
+
+	// get proposal
+	proposal, err := keeper.Proposals.Get(ctx, proposalID)
 	if err != nil {
 		return err
 	}
 
 	for _, option := range options {
-		if !v1.ValidWeightedVoteOption(*option) {
-			return errors.Wrap(types.ErrInvalidVote, option.String())
+		switch proposal.ProposalType {
+		case v1.ProposalType_PROPOSAL_TYPE_OPTIMISTIC:
+			if option.Option != v1.OptionNo && option.Option != v1.OptionSpam {
+				return errors.Wrap(types.ErrInvalidVote, "optimistic proposals can only be rejected")
+			}
+		default:
+			if !v1.ValidWeightedVoteOption(*option) {
+				return errors.Wrap(types.ErrInvalidVote, option.String())
+			}
 		}
 	}
 
diff --git a/x/gov/migrations/v6/store.go b/x/gov/migrations/v6/store.go
index 0a4a96f77a22..bebcfdfcaf74 100644
--- a/x/gov/migrations/v6/store.go
+++ b/x/gov/migrations/v6/store.go
@@ -1,6 +1,8 @@
 package v6
 
 import (
+	"fmt"
+
 	"cosmossdk.io/collections"
 	v1 "cosmossdk.io/x/gov/types/v1"
 
@@ -11,9 +13,10 @@ import (
 // migration includes:
 //
 // Addition of new field in params to store types of proposals that can be submitted.
-func MigrateStore(ctx sdk.Context, proposalCollection collections.Map[uint64, v1.Proposal]) error {
+// Addition of gov params for optimistic proposals.
+func MigrateStore(ctx sdk.Context, paramsCollection collections.Item[v1.Params], proposalCollection collections.Map[uint64, v1.Proposal]) error {
 	// Migrate proposals
-	return proposalCollection.Walk(ctx, nil, func(key uint64, proposal v1.Proposal) (bool, error) {
+	err := proposalCollection.Walk(ctx, nil, func(key uint64, proposal v1.Proposal) (bool, error) {
 		if proposal.Expedited {
 			proposal.ProposalType = v1.ProposalType_PROPOSAL_TYPE_EXPEDITED
 		} else {
@@ -26,4 +29,19 @@ func MigrateStore(ctx sdk.Context, proposalCollection collections.Map[uint64, v1
 
 		return false, nil
 	})
+	if err != nil {
+		return err
+	}
+
+	// Migrate params
+	govParams, err := paramsCollection.Get(ctx)
+	if err != nil {
+		return fmt.Errorf("failed to get gov params: %w", err)
+	}
+
+	defaultParams := v1.DefaultParams()
+	govParams.OptimisticAuthorizedAddresses = defaultParams.OptimisticAuthorizedAddresses
+	govParams.OptimisticRejectedThreshold = defaultParams.OptimisticRejectedThreshold
+
+	return paramsCollection.Set(ctx, govParams)
 }
diff --git a/x/gov/module.go b/x/gov/module.go
index 0b6f261afbc9..7eb791dc4bff 100644
--- a/x/gov/module.go
+++ b/x/gov/module.go
@@ -80,13 +80,13 @@ func (AppModuleBasic) DefaultGenesis(cdc codec.JSONCodec) json.RawMessage {
 }
 
 // ValidateGenesis performs genesis state validation for the gov module.
-func (AppModuleBasic) ValidateGenesis(cdc codec.JSONCodec, config client.TxEncodingConfig, bz json.RawMessage) error {
+func (am AppModuleBasic) ValidateGenesis(cdc codec.JSONCodec, config client.TxEncodingConfig, bz json.RawMessage) error {
 	var data v1.GenesisState
 	if err := cdc.UnmarshalJSON(bz, &data); err != nil {
 		return fmt.Errorf("failed to unmarshal %s genesis state: %w", govtypes.ModuleName, err)
 	}
 
-	return v1.ValidateGenesis(&data)
+	return v1.ValidateGenesis(am.ac, &data)
 }
 
 // RegisterGRPCGatewayRoutes registers the gRPC Gateway routes for the gov module.
diff --git a/x/gov/simulation/genesis.go b/x/gov/simulation/genesis.go
index 21f2a555ebb7..389edc1d012b 100644
--- a/x/gov/simulation/genesis.go
+++ b/x/gov/simulation/genesis.go
@@ -17,18 +17,19 @@ import (
 
 // Simulation parameter constants
 const (
-	MinDeposit            = "min_deposit"
-	ExpeditedMinDeposit   = "expedited_min_deposit"
-	DepositPeriod         = "deposit_period"
-	MinInitialRatio       = "min_initial_ratio"
-	VotingPeriod          = "voting_period"
-	ExpeditedVotingPeriod = "expedited_voting_period"
-	Quorum                = "quorum"
-	Threshold             = "threshold"
-	ExpeditedThreshold    = "expedited_threshold"
-	Veto                  = "veto"
-	ProposalCancelRate    = "proposal_cancel_rate"
-	MinDepositRatio       = "min_deposit_ratio"
+	MinDeposit                  = "min_deposit"
+	ExpeditedMinDeposit         = "expedited_min_deposit"
+	DepositPeriod               = "deposit_period"
+	MinInitialRatio             = "min_initial_ratio"
+	VotingPeriod                = "voting_period"
+	ExpeditedVotingPeriod       = "expedited_voting_period"
+	Quorum                      = "quorum"
+	Threshold                   = "threshold"
+	ExpeditedThreshold          = "expedited_threshold"
+	Veto                        = "veto"
+	OptimisticRejectedThreshold = "optimistic_rejected_threshold"
+	ProposalCancelRate          = "proposal_cancel_rate"
+	MinDepositRatio             = "min_deposit_ratio"
 
 	// ExpeditedThreshold must be at least as large as the regular Threshold
 	// Therefore, we use this break out point in randomization.
@@ -90,6 +91,11 @@ func GenExpeditedThreshold(r *rand.Rand) sdkmath.LegacyDec {
 	return sdkmath.LegacyNewDecWithPrec(int64(simulation.RandIntBetween(r, tallyNonExpeditedMax, 550)), 3)
 }
 
+// GenOptimisticRejectedThreshold randomized OptimisticRejectedThreshold
+func GenOptimisticRejectedThreshold(r *rand.Rand) sdkmath.LegacyDec {
+	return sdkmath.LegacyNewDecWithPrec(int64(simulation.RandIntBetween(r, 0, 200)), 3)
+}
+
 // GenVeto returns randomized Veto
 func GenVeto(r *rand.Rand) sdkmath.LegacyDec {
 	return sdkmath.LegacyNewDecWithPrec(int64(simulation.RandIntBetween(r, 250, 334)), 3)
@@ -137,12 +143,15 @@ func RandomizedGenState(simState *module.SimulationState) {
 	var veto sdkmath.LegacyDec
 	simState.AppParams.GetOrGenerate(Veto, &veto, simState.Rand, func(r *rand.Rand) { veto = GenVeto(r) })
 
+	var optimisticRejectedThreshold sdkmath.LegacyDec
+	simState.AppParams.GetOrGenerate(OptimisticRejectedThreshold, &optimisticRejectedThreshold, simState.Rand, func(r *rand.Rand) { optimisticRejectedThreshold = GenOptimisticRejectedThreshold(r) })
+
 	var minDepositRatio sdkmath.LegacyDec
 	simState.AppParams.GetOrGenerate(MinDepositRatio, &minDepositRatio, simState.Rand, func(r *rand.Rand) { minDepositRatio = GenMinDepositRatio(r) })
 
 	govGenesis := v1.NewGenesisState(
 		startingProposalID,
-		v1.NewParams(minDeposit, expeditedMinDeposit, depositPeriod, votingPeriod, expeditedVotingPeriod, quorum.String(), threshold.String(), expitedVotingThreshold.String(), veto.String(), minInitialDepositRatio.String(), proposalCancelRate.String(), "", simState.Rand.Intn(2) == 0, simState.Rand.Intn(2) == 0, simState.Rand.Intn(2) == 0, minDepositRatio.String()),
+		v1.NewParams(minDeposit, expeditedMinDeposit, depositPeriod, votingPeriod, expeditedVotingPeriod, quorum.String(), threshold.String(), expitedVotingThreshold.String(), veto.String(), minInitialDepositRatio.String(), proposalCancelRate.String(), "", simState.Rand.Intn(2) == 0, simState.Rand.Intn(2) == 0, simState.Rand.Intn(2) == 0, minDepositRatio.String(), optimisticRejectedThreshold.String(), []string{}),
 	)
 
 	bz, err := json.MarshalIndent(&govGenesis, "", " ")
diff --git a/x/gov/types/events.go b/x/gov/types/events.go
index 96ccc5577e33..7b8261bb8ad8 100644
--- a/x/gov/types/events.go
+++ b/x/gov/types/events.go
@@ -9,19 +9,20 @@ const (
 	EventTypeActiveProposal   = "active_proposal"
 	EventTypeCancelProposal   = "cancel_proposal"
 
-	AttributeKeyProposalResult              = "proposal_result"
-	AttributeKeyVoter                       = "voter"
-	AttributeKeyOption                      = "option"
-	AttributeKeyProposalID                  = "proposal_id"
-	AttributeKeyProposalMessages            = "proposal_messages" // Msg type_urls in the proposal
-	AttributeKeyVotingPeriodStart           = "voting_period_start"
-	AttributeKeyProposalLog                 = "proposal_log"                // log of proposal execution
-	AttributeValueProposalDropped           = "proposal_dropped"            // didn't meet min deposit
-	AttributeValueProposalPassed            = "proposal_passed"             // met vote quorum
-	AttributeValueProposalRejected          = "proposal_rejected"           // didn't meet vote quorum
-	AttributeValueExpeditedProposalRejected = "expedited_proposal_rejected" // didn't meet expedited vote quorum
-	AttributeValueProposalFailed            = "proposal_failed"             // error on proposal handler
-	AttributeValueProposalCanceled          = "proposal_canceled"           // error on proposal handler
+	AttributeKeyProposalResult               = "proposal_result"
+	AttributeKeyVoter                        = "voter"
+	AttributeKeyOption                       = "option"
+	AttributeKeyProposalID                   = "proposal_id"
+	AttributeKeyProposalMessages             = "proposal_messages" // Msg type_urls in the proposal
+	AttributeKeyVotingPeriodStart            = "voting_period_start"
+	AttributeKeyProposalLog                  = "proposal_log"                 // log of proposal execution
+	AttributeValueProposalDropped            = "proposal_dropped"             // didn't meet min deposit
+	AttributeValueProposalPassed             = "proposal_passed"              // met vote quorum
+	AttributeValueProposalRejected           = "proposal_rejected"            // didn't meet vote quorum
+	AttributeValueExpeditedProposalRejected  = "expedited_proposal_rejected"  // didn't meet expedited vote quorum
+	AttributeValueOptimisticProposalRejected = "optimistic_proposal_rejected" // didn't meet optimistic vote quorum
+	AttributeValueProposalFailed             = "proposal_failed"              // error on proposal handler
+	AttributeValueProposalCanceled           = "proposal_canceled"            // error on proposal handler
 
 	AttributeKeyProposalType   = "proposal_type"
 	AttributeSignalTitle       = "signal_title"
diff --git a/x/gov/types/v1/genesis.go b/x/gov/types/v1/genesis.go
index 0065eb9ea965..21721e4b024e 100644
--- a/x/gov/types/v1/genesis.go
+++ b/x/gov/types/v1/genesis.go
@@ -6,6 +6,8 @@ import (
 
 	"golang.org/x/sync/errgroup"
 
+	"cosmossdk.io/core/address"
+
 	"github.com/cosmos/cosmos-sdk/codec/types"
 )
 
@@ -34,7 +36,7 @@ func (data GenesisState) Empty() bool {
 // It checks if params are in valid ranges
 // It also makes sure that the provided proposal IDs are unique and
 // that there are no duplicate deposit or vote records and no vote or deposits for non-existent proposals
-func ValidateGenesis(data *GenesisState) error {
+func ValidateGenesis(ac address.Codec, data *GenesisState) error {
 	if data.StartingProposalId == 0 {
 		return errors.New("starting proposal id must be greater than 0")
 	}
@@ -99,7 +101,7 @@ func ValidateGenesis(data *GenesisState) error {
 
 	// verify params
 	errGroup.Go(func() error {
-		return data.Params.ValidateBasic()
+		return data.Params.ValidateBasic(ac)
 	})
 
 	return errGroup.Wait()
diff --git a/x/gov/types/v1/genesis_test.go b/x/gov/types/v1/genesis_test.go
index 9d0e42a23b34..7ea370a99af1 100644
--- a/x/gov/types/v1/genesis_test.go
+++ b/x/gov/types/v1/genesis_test.go
@@ -8,6 +8,7 @@ import (
 	sdkmath "cosmossdk.io/math"
 	v1 "cosmossdk.io/x/gov/types/v1"
 
+	"github.com/cosmos/cosmos-sdk/codec/address"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 )
 
@@ -20,6 +21,7 @@ func TestEmptyGenesis(t *testing.T) {
 }
 
 func TestValidateGenesis(t *testing.T) {
+	codec := address.NewBech32Codec("cosmos")
 	params := v1.DefaultParams()
 
 	testCases := []struct {
@@ -175,7 +177,7 @@ func TestValidateGenesis(t *testing.T) {
 	for _, tc := range testCases {
 		tc := tc
 		t.Run(tc.name, func(t *testing.T) {
-			err := v1.ValidateGenesis(tc.genesisState())
+			err := v1.ValidateGenesis(codec, tc.genesisState())
 			if tc.expErrMsg != "" {
 				require.Error(t, err)
 				require.ErrorContains(t, err, tc.expErrMsg)
diff --git a/x/gov/types/v1/gov.pb.go b/x/gov/types/v1/gov.pb.go
index 90f831dc1831..f8f0c2e3c5af 100644
--- a/x/gov/types/v1/gov.pb.go
+++ b/x/gov/types/v1/gov.pb.go
@@ -884,6 +884,16 @@ type Params struct {
 	//
 	// Since: cosmos-sdk 0.50
 	MinDepositRatio string `protobuf:"bytes,16,opt,name=min_deposit_ratio,json=minDepositRatio,proto3" json:"min_deposit_ratio,omitempty"`
+	// optimistic_authorized_addresses is an optional governance parameter that limits the authorized accounts than can
+	// submit optimistic proposals
+	//
+	// Since: x/gov v1.0.0
+	OptimisticAuthorizedAddresses []string `protobuf:"bytes,17,rep,name=optimistic_authorized_addresses,json=optimisticAuthorizedAddresses,proto3" json:"optimistic_authorized_addresses,omitempty"`
+	// optimistic rejected threshold defines at which percentage of NO votes, the optimistic proposal should fail and be
+	// converted to a standard proposal. The threshold is expressed as a percentage of the total bonded tokens.
+	//
+	// Since: x/gov v1.0.0
+	OptimisticRejectedThreshold string `protobuf:"bytes,18,opt,name=optimistic_rejected_threshold,json=optimisticRejectedThreshold,proto3" json:"optimistic_rejected_threshold,omitempty"`
 }
 
 func (m *Params) Reset()         { *m = Params{} }
@@ -1031,6 +1041,20 @@ func (m *Params) GetMinDepositRatio() string {
 	return ""
 }
 
+func (m *Params) GetOptimisticAuthorizedAddresses() []string {
+	if m != nil {
+		return m.OptimisticAuthorizedAddresses
+	}
+	return nil
+}
+
+func (m *Params) GetOptimisticRejectedThreshold() string {
+	if m != nil {
+		return m.OptimisticRejectedThreshold
+	}
+	return ""
+}
+
 func init() {
 	proto.RegisterEnum("cosmos.gov.v1.ProposalType", ProposalType_name, ProposalType_value)
 	proto.RegisterEnum("cosmos.gov.v1.VoteOption", VoteOption_name, VoteOption_value)
@@ -1049,106 +1073,110 @@ func init() {
 func init() { proto.RegisterFile("cosmos/gov/v1/gov.proto", fileDescriptor_e05cb1c0d030febb) }
 
 var fileDescriptor_e05cb1c0d030febb = []byte{
-	// 1581 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x9c, 0x57, 0x4d, 0x53, 0xe3, 0xc8,
-	0x19, 0x46, 0xfe, 0xc2, 0x7e, 0xfd, 0x81, 0x68, 0x60, 0x11, 0xb0, 0x18, 0xd6, 0xd9, 0xda, 0x22,
-	0x64, 0xc7, 0x0e, 0xbb, 0x99, 0x1c, 0x76, 0x52, 0x95, 0xf8, 0x43, 0x13, 0x44, 0x01, 0x76, 0x64,
-	0x01, 0x33, 0xb9, 0xa8, 0x04, 0xea, 0x31, 0xaa, 0x58, 0x6a, 0x47, 0x6a, 0x33, 0xf8, 0x0f, 0xe4,
-	0x9a, 0x39, 0xe6, 0x94, 0xca, 0x2d, 0x39, 0xe6, 0x30, 0x95, 0xdf, 0x30, 0x95, 0x43, 0x6a, 0x6a,
-	0x4e, 0xb9, 0x64, 0x92, 0x9a, 0x39, 0xa4, 0x6a, 0x7e, 0x42, 0x4e, 0x29, 0xb5, 0x5a, 0x96, 0x6c,
-	0x3c, 0x0b, 0xcc, 0x05, 0xa4, 0xf7, 0x7d, 0x9e, 0xa7, 0xdf, 0x7e, 0x3f, 0xba, 0x2d, 0x58, 0xbd,
-	0x20, 0x9e, 0x4d, 0xbc, 0x5a, 0x8f, 0x5c, 0xd5, 0xae, 0xf6, 0xfc, 0x7f, 0xd5, 0x81, 0x4b, 0x28,
-	0x41, 0xc5, 0xc0, 0x51, 0xf5, 0x2d, 0x57, 0x7b, 0xeb, 0x65, 0x8e, 0x3b, 0x37, 0x3c, 0x5c, 0xbb,
-	0xda, 0x3b, 0xc7, 0xd4, 0xd8, 0xab, 0x5d, 0x10, 0xcb, 0x09, 0xe0, 0xeb, 0xcb, 0x3d, 0xd2, 0x23,
-	0xec, 0xb1, 0xe6, 0x3f, 0x71, 0xeb, 0x56, 0x8f, 0x90, 0x5e, 0x1f, 0xd7, 0xd8, 0xdb, 0xf9, 0xf0,
-	0x59, 0x8d, 0x5a, 0x36, 0xf6, 0xa8, 0x61, 0x0f, 0x38, 0x60, 0x6d, 0x1a, 0x60, 0x38, 0x23, 0xee,
-	0x2a, 0x4f, 0xbb, 0xcc, 0xa1, 0x6b, 0x50, 0x8b, 0x84, 0x2b, 0xae, 0x05, 0x11, 0xe9, 0xc1, 0xa2,
-	0x3c, 0xda, 0xc0, 0xb5, 0x68, 0xd8, 0x96, 0x43, 0x6a, 0xec, 0x6f, 0x60, 0xaa, 0x10, 0x40, 0x67,
-	0xd8, 0xea, 0x5d, 0x52, 0x6c, 0x9e, 0x12, 0x8a, 0xdb, 0x03, 0x5f, 0x09, 0xed, 0x41, 0x86, 0xb0,
-	0x27, 0x49, 0xd8, 0x16, 0x76, 0x4a, 0xdf, 0xac, 0x55, 0x27, 0x76, 0x5d, 0x8d, 0xa0, 0x2a, 0x07,
-	0xa2, 0xaf, 0x20, 0xf3, 0x9c, 0x09, 0x49, 0x89, 0x6d, 0x61, 0x27, 0xd7, 0x28, 0xbd, 0x79, 0xf9,
-	0x00, 0x38, 0xab, 0x85, 0x2f, 0x54, 0xee, 0xad, 0xfc, 0x49, 0x80, 0xf9, 0x16, 0x1e, 0x10, 0xcf,
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+	0xa5, 0xd5, 0x07, 0xd4, 0xa8, 0xc0, 0xa8, 0x61, 0x03, 0x9d, 0xc0, 0xfa, 0x84, 0x50, 0xcb, 0x19,
+	0xe8, 0x1e, 0x35, 0x5c, 0xbe, 0xbf, 0xec, 0x3d, 0xe3, 0x5a, 0x0b, 0xa8, 0x3d, 0x9f, 0xc9, 0x02,
+	0x3b, 0x02, 0x6e, 0x8a, 0xf6, 0x98, 0xbb, 0xa7, 0x56, 0x31, 0x20, 0x86, 0x5b, 0xdc, 0xf6, 0x9b,
+	0x84, 0x1a, 0xa6, 0x41, 0x0d, 0x09, 0xfc, 0xb6, 0x55, 0x67, 0xef, 0x68, 0x03, 0xd2, 0xd4, 0xa2,
+	0x43, 0x2c, 0xe5, 0x99, 0x23, 0x78, 0x41, 0x12, 0xac, 0x7a, 0x63, 0xdb, 0x36, 0xdc, 0xa9, 0x54,
+	0x60, 0xf6, 0xf0, 0x15, 0xfd, 0x08, 0xb2, 0xc1, 0x44, 0x60, 0x57, 0x2a, 0xde, 0x31, 0x02, 0x33,
+	0x24, 0xda, 0x83, 0x1c, 0xbe, 0x19, 0x61, 0xd3, 0xa2, 0xd8, 0x94, 0x4a, 0x7b, 0xc2, 0x7e, 0xb6,
+	0x99, 0x90, 0x04, 0x35, 0x32, 0xa2, 0xef, 0x41, 0xf1, 0xa5, 0x61, 0x0d, 0xb1, 0xa9, 0xbb, 0xd8,
+	0xf0, 0x88, 0x23, 0xad, 0xb1, 0x75, 0x0b, 0x81, 0x51, 0x65, 0x36, 0xf4, 0x33, 0x28, 0xce, 0x26,
+	0x94, 0x4e, 0x47, 0x58, 0x12, 0x59, 0x0b, 0xef, 0x7c, 0x43, 0x0b, 0x6b, 0xd3, 0x11, 0x56, 0x0b,
+	0xa3, 0xd8, 0x5b, 0xf5, 0xf7, 0x09, 0xc8, 0xc7, 0x9b, 0xf1, 0x07, 0x90, 0x9b, 0x62, 0x4f, 0xef,
+	0xb3, 0xe9, 0x14, 0x6e, 0x1d, 0x15, 0x8a, 0x43, 0xd5, 0xec, 0x14, 0x7b, 0x2d, 0xdf, 0x8f, 0x3e,
+	0x84, 0xa2, 0x71, 0xe5, 0x51, 0xc3, 0x72, 0x38, 0x21, 0xb1, 0x94, 0x50, 0xe0, 0xa0, 0x80, 0xf4,
+	0x7d, 0xc8, 0x3a, 0x84, 0xe3, 0x93, 0x4b, 0xf1, 0xab, 0x0e, 0x09, 0xa0, 0x1f, 0x03, 0x72, 0x88,
+	0xfe, 0x89, 0x45, 0xaf, 0xf5, 0x09, 0xa6, 0x21, 0x29, 0xb5, 0x94, 0xb4, 0xe6, 0x90, 0x4b, 0x8b,
+	0x5e, 0x5f, 0x60, 0xca, 0xc9, 0x4f, 0x00, 0xbc, 0x91, 0x61, 0x73, 0x52, 0x7a, 0x29, 0x29, 0xe7,
+	0x23, 0x18, 0xbc, 0xfa, 0x37, 0x01, 0x52, 0xfe, 0xb9, 0x79, 0xf7, 0xa9, 0x57, 0x83, 0xf4, 0x84,
+	0x50, 0x7c, 0xf7, 0x89, 0x17, 0xc0, 0xd0, 0xc7, 0xb0, 0x1a, 0x1c, 0xc2, 0x9e, 0x94, 0x62, 0xa3,
+	0xf4, 0xce, 0x42, 0x79, 0x6e, 0x9f, 0xf0, 0x6a, 0xc8, 0x98, 0x6b, 0xd5, 0xf4, 0x7c, 0xab, 0x1e,
+	0xa7, 0xb2, 0x49, 0x31, 0x55, 0xfd, 0xb7, 0x00, 0x45, 0x3e, 0x70, 0x5d, 0xc3, 0x35, 0x6c, 0x0f,
+	0xbd, 0x80, 0xbc, 0x6d, 0x39, 0xb3, 0xf9, 0x15, 0xee, 0x9a, 0xdf, 0x5d, 0x7f, 0x7e, 0xbf, 0x7a,
+	0x55, 0x79, 0x1c, 0x63, 0xbd, 0x4f, 0x6c, 0x8b, 0x62, 0x7b, 0x44, 0xa7, 0x2a, 0xd8, 0x96, 0x13,
+	0x4e, 0xb4, 0x0d, 0xc8, 0x36, 0x6e, 0x42, 0x90, 0x3e, 0xc2, 0xae, 0x45, 0x4c, 0x96, 0x08, 0x7f,
+	0x85, 0xc5, 0x31, 0x6c, 0xf3, 0xab, 0xaf, 0xf9, 0xee, 0x57, 0xaf, 0x2a, 0x6f, 0xdf, 0x26, 0x46,
+	0x8b, 0xfc, 0xc1, 0x9f, 0x52, 0xd1, 0x36, 0x6e, 0xc2, 0x9d, 0x30, 0xff, 0x47, 0x09, 0x49, 0xa8,
+	0x3e, 0x87, 0xc2, 0x05, 0x9b, 0x5e, 0xbe, 0xbb, 0x36, 0xf0, 0x69, 0x0e, 0x57, 0x17, 0xee, 0x5a,
+	0x3d, 0xc5, 0xd4, 0x0b, 0x01, 0x2b, 0xa6, 0xfc, 0x47, 0x81, 0xf7, 0x3e, 0x57, 0x7e, 0x0f, 0x32,
+	0xbf, 0x1d, 0x13, 0x77, 0x6c, 0x2f, 0x69, 0x7c, 0x76, 0x47, 0x06, 0x5e, 0xf4, 0x3e, 0xe4, 0xe8,
+	0xb5, 0x8b, 0xbd, 0x6b, 0x32, 0x34, 0xbf, 0xe1, 0x3a, 0x8d, 0x00, 0xe8, 0x29, 0x94, 0x58, 0xf3,
+	0x46, 0x94, 0xe4, 0x52, 0x4a, 0xd1, 0x47, 0x69, 0x21, 0x88, 0x05, 0xf8, 0xf7, 0x1c, 0x64, 0x78,
+	0x6c, 0xf2, 0x03, 0x6b, 0x1a, 0x3b, 0x93, 0xe3, 0xf5, 0x3b, 0xfd, 0x6e, 0xf5, 0x4b, 0x2d, 0xaf,
+	0xcf, 0xed, 0x5a, 0x24, 0xbf, 0x43, 0x2d, 0x62, 0x79, 0x4f, 0xdd, 0x3f, 0xef, 0xe9, 0x87, 0xe7,
+	0x3d, 0x73, 0x8f, 0xbc, 0x23, 0x05, 0xb6, 0xfc, 0x44, 0x5b, 0x8e, 0x45, 0xad, 0xe8, 0x12, 0xd4,
+	0x59, 0xf8, 0xd2, 0xea, 0x52, 0x85, 0xb7, 0x6c, 0xcb, 0x51, 0x02, 0x3c, 0x4f, 0x8f, 0xea, 0xa3,
+	0x51, 0x13, 0x1e, 0xcf, 0x4e, 0x92, 0xbe, 0xe1, 0xf4, 0xf1, 0x90, 0xcb, 0x64, 0x97, 0xca, 0x3c,
+	0x0a, 0xc1, 0x2d, 0x86, 0x0d, 0x34, 0x8e, 0x61, 0x63, 0x51, 0xc3, 0xc4, 0x1e, 0x65, 0x37, 0xdf,
+	0xb7, 0x9d, 0x3d, 0x68, 0x5e, 0xac, 0x8d, 0x3d, 0x8a, 0x2e, 0x61, 0x73, 0x76, 0xbf, 0xe8, 0xf3,
+	0x75, 0x83, 0xfb, 0xd5, 0xed, 0xf1, 0x8c, 0x7f, 0x11, 0x2f, 0xe0, 0x4f, 0xe1, 0x51, 0x24, 0x1c,
+	0xe5, 0x3b, 0xbf, 0x74, 0x9b, 0x68, 0x06, 0x8d, 0x92, 0xfe, 0x1c, 0x22, 0x65, 0x3d, 0xde, 0xe7,
+	0x85, 0x07, 0xf4, 0x79, 0x14, 0xc3, 0x69, 0xd4, 0xf0, 0xfb, 0x20, 0x5e, 0x8d, 0x5d, 0xc7, 0xdf,
+	0x2e, 0xd6, 0x79, 0x97, 0xf9, 0xd7, 0x74, 0x56, 0x2d, 0xf9, 0x76, 0xff, 0xc8, 0xfd, 0x45, 0xd0,
+	0x5d, 0x0d, 0xd8, 0x65, 0xc8, 0x59, 0xba, 0x67, 0x43, 0xe2, 0x62, 0x9f, 0x1d, 0x5c, 0xd3, 0xea,
+	0xb6, 0x0f, 0x0a, 0x2f, 0xd4, 0x70, 0x1a, 0x02, 0x04, 0x7a, 0x17, 0x4a, 0xd1, 0x62, 0x7e, 0x5b,
+	0xb1, 0x4b, 0x3b, 0xab, 0x16, 0xc2, 0xa5, 0xfc, 0xdb, 0x09, 0x7d, 0x04, 0xeb, 0xb1, 0x2d, 0xf2,
+	0x96, 0x10, 0x97, 0xe6, 0x6a, 0x2d, 0x1a, 0xdd, 0xa0, 0x1d, 0x7e, 0x05, 0x15, 0xff, 0x66, 0xb0,
+	0x2d, 0x8f, 0x5a, 0x7d, 0xdd, 0x18, 0xd3, 0x6b, 0xe2, 0x5a, 0xbf, 0xc3, 0xa6, 0x6e, 0x04, 0xd5,
+	0xc7, 0x9e, 0xb4, 0xbe, 0x97, 0xfc, 0xd6, 0xce, 0xd8, 0x8d, 0x04, 0x1a, 0x33, 0x7e, 0x23, 0xa4,
+	0x23, 0x15, 0x62, 0x00, 0xdd, 0xc5, 0xbf, 0xc6, 0xfd, 0xf9, 0xaa, 0xa2, 0xa5, 0x91, 0xee, 0x44,
+	0x24, 0x95, 0x73, 0x66, 0xe5, 0x3d, 0xf8, 0xb3, 0x00, 0x85, 0xf8, 0x67, 0x10, 0xb4, 0x0b, 0x5b,
+	0x5d, 0xb5, 0xd3, 0xed, 0xf4, 0x1a, 0x27, 0xba, 0xf6, 0xa2, 0x2b, 0xeb, 0xe7, 0x67, 0xbd, 0xae,
+	0xdc, 0x52, 0x9e, 0x29, 0x72, 0x5b, 0x5c, 0x41, 0xdb, 0xf0, 0xd6, 0xbc, 0xbb, 0xa7, 0x35, 0xce,
+	0xda, 0x0d, 0xb5, 0x2d, 0x0a, 0xe8, 0x1d, 0xd8, 0x9d, 0xf7, 0x9d, 0x9e, 0x9f, 0x68, 0x4a, 0xf7,
+	0x44, 0xd6, 0x5b, 0x47, 0x1d, 0xa5, 0x25, 0x8b, 0x09, 0xf4, 0x36, 0x48, 0xf3, 0x90, 0x4e, 0x57,
+	0x53, 0x4e, 0x95, 0x9e, 0xa6, 0xb4, 0xc4, 0x24, 0xda, 0x81, 0xcd, 0x79, 0xaf, 0xfc, 0xbc, 0x2b,
+	0xb7, 0x15, 0x4d, 0x6e, 0x8b, 0xa9, 0x83, 0xff, 0x0b, 0x00, 0xb1, 0x2f, 0x5a, 0x3b, 0xb0, 0x79,
+	0xd1, 0xd1, 0x02, 0x81, 0xce, 0xd9, 0x42, 0x94, 0x8f, 0x60, 0x2d, 0xee, 0xec, 0x9c, 0xc9, 0xa2,
+	0xb0, 0x68, 0x7c, 0x21, 0xf7, 0x6e, 0x1b, 0xb5, 0xcb, 0x8e, 0x98, 0x40, 0x9b, 0xf0, 0x28, 0x6e,
+	0x6c, 0x34, 0x7b, 0x5a, 0x43, 0x39, 0x13, 0x13, 0xe8, 0x31, 0xac, 0xcf, 0xa1, 0x8f, 0x54, 0x59,
+	0x16, 0x93, 0x08, 0x41, 0x29, 0x6e, 0x3e, 0xeb, 0x88, 0x49, 0xb4, 0x01, 0x62, 0xdc, 0xf6, 0xac,
+	0x73, 0xae, 0x8a, 0x29, 0x7f, 0xff, 0xf3, 0x48, 0xfd, 0x52, 0xd1, 0x8e, 0xf4, 0x0b, 0x59, 0xeb,
+	0x88, 0xa9, 0x45, 0x4e, 0xaf, 0xdb, 0x38, 0x15, 0xd3, 0xdb, 0x09, 0x51, 0x38, 0xf8, 0xa7, 0x00,
+	0xa5, 0xf9, 0x6f, 0x3b, 0xa8, 0x02, 0x3b, 0xb3, 0x64, 0xf5, 0xb4, 0x86, 0x76, 0xde, 0x5b, 0x48,
+	0x42, 0x15, 0xca, 0x8b, 0x80, 0xb6, 0xdc, 0xed, 0xf4, 0x14, 0x4d, 0xef, 0xca, 0xaa, 0xd2, 0x59,
+	0x2c, 0x19, 0xc7, 0x5c, 0x74, 0x34, 0xe5, 0xec, 0xe7, 0x21, 0x24, 0x31, 0x57, 0x71, 0x0e, 0xe9,
+	0x36, 0x7a, 0x3d, 0xb9, 0x2d, 0x26, 0xe7, 0xca, 0xc9, 0x7d, 0xaa, 0x7c, 0x2c, 0xb7, 0x58, 0xc5,
+	0x96, 0x31, 0x9f, 0x35, 0x94, 0x13, 0xb9, 0x2d, 0xa6, 0x9b, 0x4f, 0x3f, 0x7f, 0x5d, 0x16, 0xbe,
+	0x78, 0x5d, 0x16, 0xfe, 0xfb, 0xba, 0x2c, 0x7c, 0xfa, 0xa6, 0xbc, 0xf2, 0xc5, 0x9b, 0xf2, 0xca,
+	0xbf, 0xde, 0x94, 0x57, 0x7e, 0xb9, 0x13, 0xb4, 0xae, 0x67, 0xfe, 0xa6, 0x66, 0x91, 0xfa, 0x0d,
+	0xfb, 0x1d, 0xc1, 0xff, 0x00, 0xed, 0xd5, 0x27, 0x87, 0x57, 0x19, 0x76, 0xfc, 0x7d, 0xf8, 0x75,
+	0x00, 0x00, 0x00, 0xff, 0xff, 0xeb, 0x02, 0x8a, 0x3f, 0x65, 0x10, 0x00, 0x00,
 }
 
 func (m *WeightedVoteOption) Marshal() (dAtA []byte, err error) {
@@ -1658,6 +1686,26 @@ func (m *Params) MarshalToSizedBuffer(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
+	if len(m.OptimisticRejectedThreshold) > 0 {
+		i -= len(m.OptimisticRejectedThreshold)
+		copy(dAtA[i:], m.OptimisticRejectedThreshold)
+		i = encodeVarintGov(dAtA, i, uint64(len(m.OptimisticRejectedThreshold)))
+		i--
+		dAtA[i] = 0x1
+		i--
+		dAtA[i] = 0x92
+	}
+	if len(m.OptimisticAuthorizedAddresses) > 0 {
+		for iNdEx := len(m.OptimisticAuthorizedAddresses) - 1; iNdEx >= 0; iNdEx-- {
+			i -= len(m.OptimisticAuthorizedAddresses[iNdEx])
+			copy(dAtA[i:], m.OptimisticAuthorizedAddresses[iNdEx])
+			i = encodeVarintGov(dAtA, i, uint64(len(m.OptimisticAuthorizedAddresses[iNdEx])))
+			i--
+			dAtA[i] = 0x1
+			i--
+			dAtA[i] = 0x8a
+		}
+	}
 	if len(m.MinDepositRatio) > 0 {
 		i -= len(m.MinDepositRatio)
 		copy(dAtA[i:], m.MinDepositRatio)
@@ -2108,6 +2156,16 @@ func (m *Params) Size() (n int) {
 	if l > 0 {
 		n += 2 + l + sovGov(uint64(l))
 	}
+	if len(m.OptimisticAuthorizedAddresses) > 0 {
+		for _, s := range m.OptimisticAuthorizedAddresses {
+			l = len(s)
+			n += 2 + l + sovGov(uint64(l))
+		}
+	}
+	l = len(m.OptimisticRejectedThreshold)
+	if l > 0 {
+		n += 2 + l + sovGov(uint64(l))
+	}
 	return n
 }
 
@@ -4138,6 +4196,70 @@ func (m *Params) Unmarshal(dAtA []byte) error {
 			}
 			m.MinDepositRatio = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
+		case 17:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field OptimisticAuthorizedAddresses", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGov
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthGov
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthGov
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.OptimisticAuthorizedAddresses = append(m.OptimisticAuthorizedAddresses, string(dAtA[iNdEx:postIndex]))
+			iNdEx = postIndex
+		case 18:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field OptimisticRejectedThreshold", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowGov
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLen |= uint64(b&0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLen := int(stringLen)
+			if intStringLen < 0 {
+				return ErrInvalidLengthGov
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex < 0 {
+				return ErrInvalidLengthGov
+			}
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.OptimisticRejectedThreshold = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipGov(dAtA[iNdEx:])
diff --git a/x/gov/types/v1/params.go b/x/gov/types/v1/params.go
index ab4c2b1112cb..73a6d7d2352e 100644
--- a/x/gov/types/v1/params.go
+++ b/x/gov/types/v1/params.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"time"
 
+	"cosmossdk.io/core/address"
 	sdkmath "cosmossdk.io/math"
 
 	sdk "github.com/cosmos/cosmos-sdk/types"
@@ -18,19 +19,21 @@ const (
 
 // Default governance params
 var (
-	DefaultMinDepositTokens          = sdkmath.NewInt(10000000)
-	DefaultMinExpeditedDepositTokens = DefaultMinDepositTokens.Mul(sdkmath.NewInt(DefaultMinExpeditedDepositTokensRatio))
-	DefaultQuorum                    = sdkmath.LegacyNewDecWithPrec(334, 3)
-	DefaultThreshold                 = sdkmath.LegacyNewDecWithPrec(5, 1)
-	DefaultExpeditedThreshold        = sdkmath.LegacyNewDecWithPrec(667, 3)
-	DefaultVetoThreshold             = sdkmath.LegacyNewDecWithPrec(334, 3)
-	DefaultMinInitialDepositRatio    = sdkmath.LegacyZeroDec()
-	DefaultProposalCancelRatio       = sdkmath.LegacyMustNewDecFromStr("0.5")
-	DefaultProposalCancelDestAddress = ""
-	DefaultBurnProposalPrevote       = false // set to false to replicate behavior of when this change was made (0.47)
-	DefaultBurnVoteQuorom            = false // set to false to  replicate behavior of when this change was made (0.47)
-	DefaultBurnVoteVeto              = true  // set to true to replicate behavior of when this change was made (0.47)
-	DefaultMinDepositRatio           = sdkmath.LegacyMustNewDecFromStr("0.01")
+	DefaultMinDepositTokens             = sdkmath.NewInt(10000000)
+	DefaultMinExpeditedDepositTokens    = DefaultMinDepositTokens.Mul(sdkmath.NewInt(DefaultMinExpeditedDepositTokensRatio))
+	DefaultQuorum                       = sdkmath.LegacyNewDecWithPrec(334, 3)
+	DefaultThreshold                    = sdkmath.LegacyNewDecWithPrec(5, 1)
+	DefaultExpeditedThreshold           = sdkmath.LegacyNewDecWithPrec(667, 3)
+	DefaultVetoThreshold                = sdkmath.LegacyNewDecWithPrec(334, 3)
+	DefaultMinInitialDepositRatio       = sdkmath.LegacyZeroDec()
+	DefaultProposalCancelRatio          = sdkmath.LegacyMustNewDecFromStr("0.5")
+	DefaultProposalCancelDestAddress    = ""
+	DefaultBurnProposalPrevote          = false // set to false to replicate behavior of when this change was made (0.47)
+	DefaultBurnVoteQuorom               = false // set to false to  replicate behavior of when this change was made (0.47)
+	DefaultBurnVoteVeto                 = true  // set to true to replicate behavior of when this change was made (0.47)
+	DefaultMinDepositRatio              = sdkmath.LegacyMustNewDecFromStr("0.01")
+	DefaultOptimisticRejectedThreshold  = sdkmath.LegacyMustNewDecFromStr("0.1")
+	DefaultOptimisticAuthorizedAddreses = []string(nil)
 )
 
 // Deprecated: NewDepositParams creates a new DepositParams object
@@ -61,25 +64,27 @@ func NewVotingParams(votingPeriod *time.Duration) VotingParams {
 func NewParams(
 	minDeposit, expeditedminDeposit sdk.Coins, maxDepositPeriod, votingPeriod, expeditedVotingPeriod time.Duration,
 	quorum, threshold, expeditedThreshold, vetoThreshold, minInitialDepositRatio, proposalCancelRatio, proposalCancelDest string,
-	burnProposalDeposit, burnVoteQuorum, burnVoteVeto bool, minDepositRatio string,
+	burnProposalDeposit, burnVoteQuorum, burnVoteVeto bool, minDepositRatio, optimisticRejectedThreshold string, optimisticAuthorizedAddresses []string,
 ) Params {
 	return Params{
-		MinDeposit:                 minDeposit,
-		ExpeditedMinDeposit:        expeditedminDeposit,
-		MaxDepositPeriod:           &maxDepositPeriod,
-		VotingPeriod:               &votingPeriod,
-		ExpeditedVotingPeriod:      &expeditedVotingPeriod,
-		Quorum:                     quorum,
-		Threshold:                  threshold,
-		ExpeditedThreshold:         expeditedThreshold,
-		VetoThreshold:              vetoThreshold,
-		MinInitialDepositRatio:     minInitialDepositRatio,
-		ProposalCancelRatio:        proposalCancelRatio,
-		ProposalCancelDest:         proposalCancelDest,
-		BurnProposalDepositPrevote: burnProposalDeposit,
-		BurnVoteQuorum:             burnVoteQuorum,
-		BurnVoteVeto:               burnVoteVeto,
-		MinDepositRatio:            minDepositRatio,
+		MinDeposit:                    minDeposit,
+		ExpeditedMinDeposit:           expeditedminDeposit,
+		MaxDepositPeriod:              &maxDepositPeriod,
+		VotingPeriod:                  &votingPeriod,
+		ExpeditedVotingPeriod:         &expeditedVotingPeriod,
+		Quorum:                        quorum,
+		Threshold:                     threshold,
+		ExpeditedThreshold:            expeditedThreshold,
+		VetoThreshold:                 vetoThreshold,
+		MinInitialDepositRatio:        minInitialDepositRatio,
+		ProposalCancelRatio:           proposalCancelRatio,
+		ProposalCancelDest:            proposalCancelDest,
+		BurnProposalDepositPrevote:    burnProposalDeposit,
+		BurnVoteQuorum:                burnVoteQuorum,
+		BurnVoteVeto:                  burnVoteVeto,
+		MinDepositRatio:               minDepositRatio,
+		OptimisticRejectedThreshold:   optimisticRejectedThreshold,
+		OptimisticAuthorizedAddresses: optimisticAuthorizedAddresses,
 	}
 }
 
@@ -102,11 +107,13 @@ func DefaultParams() Params {
 		DefaultBurnVoteQuorom,
 		DefaultBurnVoteVeto,
 		DefaultMinDepositRatio.String(),
+		DefaultOptimisticRejectedThreshold.String(),
+		DefaultOptimisticAuthorizedAddreses,
 	)
 }
 
 // ValidateBasic performs basic validation on governance parameters.
-func (p Params) ValidateBasic() error {
+func (p Params) ValidateBasic(addressCodec address.Codec) error {
 	minDeposit := sdk.Coins(p.MinDeposit)
 	if minDeposit.Empty() || !minDeposit.IsValid() {
 		return fmt.Errorf("invalid minimum deposit: %s", minDeposit)
@@ -173,6 +180,19 @@ func (p Params) ValidateBasic() error {
 		return fmt.Errorf("veto threshold too large: %s", vetoThreshold)
 	}
 
+	optimisticRejectedThreshold, err := sdkmath.LegacyNewDecFromStr(p.OptimisticRejectedThreshold)
+	if err != nil {
+		return fmt.Errorf("invalid optimistic rejected threshold string: %w", err)
+	}
+
+	if !optimisticRejectedThreshold.IsPositive() {
+		return fmt.Errorf("optimistic rejected threshold must be positive: %s", optimisticRejectedThreshold)
+	}
+
+	if optimisticRejectedThreshold.GT(sdkmath.LegacyOneDec()) {
+		return fmt.Errorf("optimistic rejected threshold too large: %s", optimisticRejectedThreshold)
+	}
+
 	if p.VotingPeriod == nil {
 		return fmt.Errorf("voting period must not be nil: %d", p.VotingPeriod)
 	}
@@ -190,6 +210,12 @@ func (p Params) ValidateBasic() error {
 		return fmt.Errorf("expedited voting period %s must be strictly less that the regular voting period %s", p.ExpeditedVotingPeriod, p.VotingPeriod)
 	}
 
+	for _, addr := range p.OptimisticAuthorizedAddresses {
+		if _, err := addressCodec.StringToBytes(addr); err != nil {
+			return fmt.Errorf("invalid optimistic authorized address: %s", addr)
+		}
+	}
+
 	minInitialDepositRatio, err := sdkmath.LegacyNewDecFromStr(p.MinInitialDepositRatio)
 	if err != nil {
 		return fmt.Errorf("invalid minimum initial deposit ratio of proposal: %w", err)