diff --git a/koinos/block_store/block_store.proto b/koinos/block_store/block_store.proto
index 78ef4c3..49c9ae0 100644
--- a/koinos/block_store/block_store.proto
+++ b/koinos/block_store/block_store.proto
@@ -7,14 +7,14 @@ import "koinos/protocol/protocol.proto";
 
 message block_item {
    bytes block_id = 1;
-   uint64 block_height = 2;
+   uint64 block_height = 2 [jstype = JS_STRING];
    protocol.block block = 3; //optional
    protocol.block_receipt receipt = 4; //optional
 }
 
 message block_record {
    bytes block_id = 1;
-   uint64 block_height = 2;
+   uint64 block_height = 2 [jstype = JS_STRING];
    protocol.block block = 3;
    protocol.block_receipt receipt = 4; //optional
    repeated bytes previous_block_ids = 5;
diff --git a/koinos/broadcast/broadcast.proto b/koinos/broadcast/broadcast.proto
index 7fe19c1..da12e82 100644
--- a/koinos/broadcast/broadcast.proto
+++ b/koinos/broadcast/broadcast.proto
@@ -9,9 +9,9 @@ import "koinos/protocol/protocol.proto";
 message transaction_accepted {
    protocol.transaction transaction = 1;
    bytes payer = 2;
-   uint64 max_payer_resources = 3;
-   uint64 trx_resource_limit = 4;
-   uint64 height = 5;
+   uint64 max_payer_resources = 3 [jstype = JS_STRING];
+   uint64 trx_resource_limit = 4 [jstype = JS_STRING];
+   uint64 height = 5 [jstype = JS_STRING];
 }
 
 message block_accepted {
diff --git a/koinos/chain/chain.proto b/koinos/chain/chain.proto
index 49645e6..a71d159 100644
--- a/koinos/chain/chain.proto
+++ b/koinos/chain/chain.proto
@@ -13,8 +13,8 @@ enum privilege {
 
 message head_info {
    block_topology head_topology = 1;
-   uint64 head_block_time = 2;
-   uint64 last_irreversible_block = 3;
+   uint64 head_block_time = 2 [jstype = JS_STRING];
+   uint64 last_irreversible_block = 3 [jstype = JS_STRING];
 }
 
 message prints_args {
@@ -78,43 +78,43 @@ message apply_set_system_call_operation_args {
 
 message apply_set_system_call_operation_return {}
 
-message db_put_object_args {
+message put_object_args {
    bytes space = 1;
    bytes key = 2;
    bytes obj = 3;
 }
 
-message db_put_object_return {
+message put_object_return {
    bool value = 1;
 }
 
-message db_get_object_args {
+message get_object_args {
    bytes space = 1;
    bytes key = 2;
    uint32 object_size_hint = 3; // optional
 }
 
-message db_get_object_return {
+message get_object_return {
    bytes value = 3;
 }
 
-message db_get_next_object_args {
+message get_next_object_args {
    bytes space = 1;
    bytes key = 2;
    uint32 object_size_hint = 3; // optional
 }
 
-message db_get_next_object_return {
+message get_next_object_return {
    bytes value = 3;
 }
 
-message db_get_prev_object_args {
+message get_prev_object_args {
    bytes space = 1;
    bytes key = 2;
    uint32 object_size_hint = 3; // optional
 }
 
-message db_get_prev_object_return {
+message get_prev_object_return {
    bytes value = 3;
 }
 
@@ -165,9 +165,9 @@ message get_head_info_return {
 }
 
 message hash_args {
-   uint64 code = 1;
+   uint64 code = 1 [jstype = JS_STRING];
    bytes obj = 2;
-   uint64 size = 3;
+   uint64 size = 3 [jstype = JS_STRING];
 }
 
 message hash_return {
@@ -196,7 +196,7 @@ message get_max_account_resources_args {
 }
 
 message get_max_account_resources_return {
-   uint64 value = 1;
+   uint64 value = 1 [jstype = JS_STRING];
 }
 
 message get_transaction_resource_limit_args {
@@ -204,13 +204,13 @@ message get_transaction_resource_limit_args {
 }
 
 message get_transaction_resource_limit_return {
-   uint64 value = 1;
+   uint64 value = 1 [jstype = JS_STRING];
 }
 
 message get_last_irreversible_block_args {}
 
 message get_last_irreversible_block_return {
-   uint64 value = 1;
+   uint64 value = 1 [jstype = JS_STRING];
 }
 
 message get_caller_args {}
@@ -243,5 +243,5 @@ message get_account_nonce_args {
 }
 
 message get_account_nonce_return {
-   uint64 value = 1;
+   uint64 value = 1 [jstype = JS_STRING];
 }
diff --git a/koinos/common.proto b/koinos/common.proto
index 5c12ed3..2aafddb 100644
--- a/koinos/common.proto
+++ b/koinos/common.proto
@@ -5,6 +5,6 @@ option go_package = "github.com/koinos/koinos-proto-golang/koinos";
 
 message block_topology {
    bytes id = 1;
-   uint64 height = 2;
+   uint64 height = 2 [jstype = JS_STRING];
    bytes previous = 3;
 }
diff --git a/koinos/contracts/pow/pow.proto b/koinos/contracts/pow/pow.proto
index dd46dfa..bb4c74c 100644
--- a/koinos/contracts/pow/pow.proto
+++ b/koinos/contracts/pow/pow.proto
@@ -5,9 +5,9 @@ option go_package = "github.com/koinos/koinos-proto-golang/koinos/contracts/pow"
 
 message difficulty_metadata {
    bytes target = 1;
-   uint64 last_block_time = 2;
+   uint64 last_block_time = 2 [jstype = JS_STRING];
    bytes difficulty = 3;
-   uint64 target_block_interval = 4;
+   uint64 target_block_interval = 4 [jstype = JS_STRING];
 }
 
 message pow_signature_data {
diff --git a/koinos/protocol/protocol.proto b/koinos/protocol/protocol.proto
index c46e7c4..aaa56f5 100644
--- a/koinos/protocol/protocol.proto
+++ b/koinos/protocol/protocol.proto
@@ -40,8 +40,8 @@ message operation {
 }
 
 message active_transaction_data {
-   uint64 resource_limit = 1;
-   uint64 nonce = 2;
+   uint64 resource_limit = 1 [jstype = JS_STRING];
+   uint64 nonce = 2 [jstype = JS_STRING];
    repeated operation operations = 3;
 }
 
@@ -64,8 +64,8 @@ message passive_block_data {}
 
 message block_header {
    bytes previous = 1;
-   uint64 height = 2;
-   uint64 timestamp = 3;
+   uint64 height = 2 [jstype = JS_STRING];
+   uint64 timestamp = 3 [jstype = JS_STRING];
 }
 
 // Topological constraints:  Constraints for a new block b that builds on a given block a
diff --git a/koinos/protocol/system_call_ids.proto b/koinos/protocol/system_call_ids.proto
index b34ede5..a1a8cd6 100644
--- a/koinos/protocol/system_call_ids.proto
+++ b/koinos/protocol/system_call_ids.proto
@@ -12,10 +12,10 @@ enum system_call_id {
    apply_upload_contract_operation = 5;
    apply_call_contract_operation = 6;
    apply_set_system_call_operation = 7;
-   db_put_object = 8;
-   db_get_object = 9;
-   db_get_next_object = 10;
-   db_get_prev_object = 11;
+   put_object = 8;
+   get_object = 9;
+   get_next_object = 10;
+   get_prev_object = 11;
    call_contract = 12;
    get_entry_point = 13;
    get_contract_args_size = 14;
diff --git a/koinos/rpc/block_store/block_store_rpc.proto b/koinos/rpc/block_store/block_store_rpc.proto
index 951da12..415aa5b 100644
--- a/koinos/rpc/block_store/block_store_rpc.proto
+++ b/koinos/rpc/block_store/block_store_rpc.proto
@@ -20,7 +20,7 @@ message get_blocks_by_id_response {
 
 message get_blocks_by_height_request {
    bytes head_block_id = 1;
-   uint64 ancestor_start_height = 2;
+   uint64 ancestor_start_height = 2 [jstype = JS_STRING];
    uint32 num_blocks = 3;
    bool return_block = 4;
    bool return_receipt = 5;
diff --git a/koinos/rpc/chain/chain_rpc.proto b/koinos/rpc/chain/chain_rpc.proto
index 31188e7..7e86889 100644
--- a/koinos/rpc/chain/chain_rpc.proto
+++ b/koinos/rpc/chain/chain_rpc.proto
@@ -28,7 +28,7 @@ message get_head_info_request {}
 
 message get_head_info_response {
    block_topology head_topology = 1;
-   uint64 last_irreversible_block = 2;
+   uint64 last_irreversible_block = 2 [jstype = JS_STRING];
 }
 
 message get_chain_id_request {}
@@ -60,7 +60,7 @@ message get_account_nonce_request {
 }
 
 message get_account_nonce_response {
-   uint64 nonce = 1;
+   uint64 nonce = 1 [jstype = JS_STRING];
 }
 
 message chain_request {
diff --git a/koinos/rpc/mempool/mempool_rpc.proto b/koinos/rpc/mempool/mempool_rpc.proto
index 7c85a42..95d7118 100644
--- a/koinos/rpc/mempool/mempool_rpc.proto
+++ b/koinos/rpc/mempool/mempool_rpc.proto
@@ -8,8 +8,8 @@ import "koinos/rpc/rpc.proto";
 
 message check_pending_account_resources_request {
    bytes payer = 1;
-   uint64 max_payer_resources = 2;
-   uint64 trx_resource_limit = 3;
+   uint64 max_payer_resources = 2 [jstype = JS_STRING];
+   uint64 trx_resource_limit = 3 [jstype = JS_STRING];
 }
 
 message check_pending_account_resources_response {
@@ -17,7 +17,7 @@ message check_pending_account_resources_response {
 }
 
 message get_pending_transactions_request {
-   uint64 limit = 1;
+   uint64 limit = 1 [jstype = JS_STRING];
 }
 
 message get_pending_transactions_response {