diff --git a/backup/backup_test.go b/backup/backup_test.go
index f9175ee..7d55c90 100644
--- a/backup/backup_test.go
+++ b/backup/backup_test.go
@@ -3,11 +3,11 @@ package backup
 import (
 	"bufio"
 	"context"
-	"encoding/json"
 	"errors"
 	"os"
 	"testing"
 
+	"github.com/gnolang/gno/tm2/pkg/amino"
 	"github.com/gnolang/gno/tm2/pkg/std"
 	"github.com/gnolang/tx-archive/log/noop"
 	"github.com/gnolang/tx-archive/types"
@@ -144,7 +144,7 @@ func TestBackup_ExecuteBackup(t *testing.T) {
 		var txData types.TxData
 
 		// Unmarshal the JSON data into the Person struct
-		if err := json.Unmarshal(scanner.Bytes(), &txData); err != nil {
+		if err := amino.UnmarshalJSON(scanner.Bytes(), &txData); err != nil {
 			t.Fatalf("unable to unmarshal JSON line, %v", err)
 		}
 
diff --git a/build/archive b/build/archive
new file mode 100755
index 0000000..b196c6b
Binary files /dev/null and b/build/archive differ
diff --git a/restore/source/standard/standard.go b/restore/source/standard/standard.go
index 8e6cfb0..019870a 100644
--- a/restore/source/standard/standard.go
+++ b/restore/source/standard/standard.go
@@ -45,7 +45,6 @@ func (s *Standard) Next(ctx context.Context) (*std.Tx, error) {
 			var tx types.TxData
 
 			txt := s.scanner.Text()
-			fmt.Println(txt)
 
 			if err := amino.UnmarshalJSON([]byte(txt), &tx); err != nil {
 				return nil, fmt.Errorf(
diff --git a/restore/source/standard/standard_test.go b/restore/source/standard/standard_test.go
index a0453c7..4610b6f 100644
--- a/restore/source/standard/standard_test.go
+++ b/restore/source/standard/standard_test.go
@@ -2,10 +2,10 @@ package standard
 
 import (
 	"context"
-	"encoding/json"
 	"os"
 	"testing"
 
+	"github.com/gnolang/gno/tm2/pkg/amino"
 	"github.com/gnolang/gno/tm2/pkg/std"
 	"github.com/gnolang/tx-archive/types"
 	"github.com/stretchr/testify/assert"
@@ -81,7 +81,7 @@ func TestSource_Standard(t *testing.T) {
 			BlockNum: 10,
 		}
 
-		txDataRaw, err := json.Marshal(txData)
+		txDataRaw, err := amino.MarshalJSON(txData)
 		require.NoError(t, err)
 
 		_, err = tempFile.Write(txDataRaw)