diff --git a/database/execution_db.go b/database/execution_db.go
index 46100bb85..bd1d02661 100644
--- a/database/execution_db.go
+++ b/database/execution_db.go
@@ -1,10 +1,10 @@
 package database
 
 import (
-	"encoding/json"
 	"errors"
 	"io"
 
+	"github.com/gogo/protobuf/proto"
 	"github.com/mesg-foundation/engine/execution"
 	"github.com/mesg-foundation/engine/hash"
 	"github.com/syndtr/goleveldb/leveldb"
@@ -100,7 +100,7 @@ func executionFind(db leveldbTxDB, executionHash hash.Hash) (*execution.Executio
 		return nil, err
 	}
 	var execution execution.Execution
-	if err := json.Unmarshal(data, &execution); err != nil {
+	if err := proto.Unmarshal(data, &execution); err != nil {
 		return nil, err
 	}
 	return &execution, nil
@@ -112,7 +112,7 @@ func executionSave(db leveldbTxDB, execution *execution.Execution) error {
 	if len(execution.Hash) == 0 {
 		return errors.New("database: can't save execution without hash")
 	}
-	data, err := json.Marshal(execution)
+	data, err := proto.Marshal(execution)
 	if err != nil {
 		return err
 	}
diff --git a/execution/execution.pb.go b/execution/execution.pb.go
index 52ecdbaaa..9f3c358d5 100644
--- a/execution/execution.pb.go
+++ b/execution/execution.pb.go
@@ -4,6 +4,7 @@
 package execution
 
 import (
+	bytes "bytes"
 	fmt "fmt"
 	_ "github.com/gogo/protobuf/gogoproto"
 	proto "github.com/gogo/protobuf/proto"
@@ -130,37 +131,103 @@ func init() {
 func init() { proto.RegisterFile("execution.proto", fileDescriptor_776e2c5022e94aef) }
 
 var fileDescriptor_776e2c5022e94aef = []byte{
-	// 504 bytes of a gzipped FileDescriptorProto
+	// 511 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xac, 0x94, 0xcf, 0x6a, 0xdb, 0x40,
-	0x10, 0xc6, 0xad, 0xd8, 0x96, 0xa3, 0xf1, 0x9f, 0xba, 0x7b, 0xa9, 0x08, 0xa5, 0x36, 0x7b, 0x28,
-	0x26, 0x21, 0x72, 0x6d, 0xd3, 0x16, 0x72, 0x09, 0x28, 0x49, 0x69, 0x28, 0x85, 0x22, 0xd3, 0x4b,
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-	0xcb, 0x74, 0x16, 0xcc, 0xe5, 0x7a, 0xb8, 0x46, 0xcd, 0x0f, 0x2f, 0x64, 0x2a, 0x16, 0x2c, 0xab,
-	0x18, 0xa2, 0xe0, 0xb1, 0xc0, 0x61, 0x56, 0x15, 0xbc, 0x67, 0x7a, 0x79, 0xb3, 0xe9, 0xed, 0x66,
-	0xc1, 0x11, 0x3d, 0xa4, 0x91, 0x85, 0x91, 0x05, 0x40, 0xc2, 0x14, 0x0a, 0x93, 0xe5, 0xfd, 0x1d,
-	0x8b, 0x3e, 0x7d, 0x18, 0xba, 0x9d, 0xa3, 0x05, 0x5b, 0xe3, 0xd1, 0x98, 0x46, 0x5b, 0x5c, 0x32,
-	0x03, 0x0f, 0xbf, 0x16, 0x97, 0x54, 0x1f, 0xeb, 0x92, 0x09, 0x8d, 0xee, 0xb0, 0x64, 0x02, 0xae,
-	0x36, 0xcc, 0xa4, 0xda, 0xaf, 0xf5, 0x9d, 0x41, 0x67, 0xdc, 0x0e, 0xec, 0x18, 0x82, 0xa9, 0x3d,
-	0x0c, 0x5b, 0xa5, 0xc7, 0xdf, 0x4a, 0xc9, 0x12, 0x5a, 0xb1, 0xd0, 0x86, 0x89, 0x39, 0x5a, 0x6f,
-	0xf5, 0xc7, 0xf2, 0xf6, 0x9a, 0x46, 0x25, 0x32, 0x39, 0x80, 0x86, 0x61, 0xfa, 0xf2, 0x03, 0x5e,
-	0xf9, 0x6e, 0xdf, 0x19, 0x78, 0xe1, 0xd3, 0xbf, 0x2a, 0xde, 0xd0, 0xa8, 0x50, 0x90, 0x10, 0xdc,
-	0x58, 0x24, 0xa9, 0xd1, 0x7e, 0xa3, 0xef, 0x0c, 0x9a, 0xe3, 0x67, 0x41, 0xbe, 0x4b, 0x41, 0xb1,
-	0x2f, 0xc1, 0xd4, 0xee, 0xd2, 0x3d, 0xc8, 0x5b, 0x1a, 0xdd, 0x56, 0x92, 0x63, 0x68, 0xc8, 0xd4,
-	0x58, 0xc8, 0xee, 0xbf, 0x21, 0xe5, 0xd6, 0x14, 0x55, 0x84, 0x42, 0x1d, 0x95, 0x92, 0xca, 0xf7,
-	0xac, 0xdf, 0xb2, 0x2a, 0x4f, 0x91, 0x97, 0x50, 0x33, 0x8c, 0x6b, 0x1f, 0xfa, 0xd5, 0x81, 0x17,
-	0x92, 0x9b, 0x4d, 0xaf, 0xb3, 0xe5, 0x66, 0xf4, 0x8a, 0x46, 0x36, 0x4f, 0x38, 0x34, 0x13, 0x25,
-	0xe7, 0xa8, 0xb5, 0x6d, 0x73, 0xd3, 0xb6, 0xf9, 0xec, 0x61, 0x6d, 0x2e, 0xdd, 0x30, 0xa2, 0xd1,
-	0x36, 0x99, 0xec, 0x67, 0x5b, 0x80, 0xc9, 0xf9, 0xa9, 0xdf, 0xb2, 0xae, 0xef, 0x59, 0x1a, 0xdb,
-	0xe1, 0x67, 0x8a, 0xfd, 0x8f, 0xe0, 0xe6, 0xcb, 0x41, 0x9a, 0xd0, 0xf8, 0x2c, 0x2e, 0x85, 0xfc,
-	0x26, 0xba, 0x95, 0x2c, 0x38, 0x51, 0xc8, 0x0c, 0x2e, 0xba, 0x0e, 0xe9, 0x00, 0x9c, 0x8b, 0x4f,
-	0x4a, 0x72, 0x85, 0x5a, 0x77, 0x77, 0x48, 0x1b, 0xbc, 0x13, 0xb9, 0x4e, 0x56, 0x98, 0xa5, 0xab,
-	0x04, 0xc0, 0x7d, 0xc7, 0xe2, 0x15, 0x2e, 0xba, 0xb5, 0x70, 0x74, 0xfd, 0xeb, 0x45, 0xe5, 0xcb,
-	0x7f, 0x3c, 0xe6, 0xcf, 0xff, 0x62, 0xe6, 0xda, 0x51, 0x4c, 0x7e, 0x07, 0x00, 0x00, 0xff, 0xff,
-	0xf8, 0x72, 0x51, 0x0c, 0x43, 0x04, 0x00, 0x00,
+	0x10, 0xc6, 0xa3, 0xd8, 0x96, 0xa3, 0xf1, 0x9f, 0xba, 0x7b, 0xa9, 0x08, 0x25, 0x36, 0x7b, 0x28,
+	0x26, 0x21, 0x72, 0x63, 0x93, 0x16, 0x72, 0x09, 0x28, 0x49, 0x69, 0x28, 0x85, 0x22, 0xd3, 0x4b,
+	0x6f, 0x6b, 0x7b, 0xb2, 0x16, 0xb1, 0x77, 0xc5, 0xee, 0xaa, 0x6d, 0xde, 0xa8, 0x8f, 0x92, 0x67,
+	0x28, 0xc5, 0xd0, 0x3e, 0x42, 0x9e, 0xa0, 0x68, 0x15, 0x35, 0x56, 0x03, 0xa5, 0x84, 0xdc, 0x34,
+	0x3b, 0xdf, 0xfc, 0xf6, 0xdb, 0x99, 0x41, 0xf0, 0x04, 0xbf, 0xe2, 0x34, 0x35, 0xb1, 0x14, 0x41,
+	0xa2, 0xa4, 0x91, 0xa4, 0x66, 0xae, 0x12, 0xd4, 0xdb, 0xcf, 0xb9, 0x94, 0x7c, 0x81, 0x03, 0x7b,
+	0x38, 0x49, 0x2f, 0x06, 0xda, 0xa8, 0x74, 0x6a, 0x72, 0xd1, 0x36, 0xe5, 0x92, 0xcb, 0xbb, 0x5c,
+	0x16, 0xd9, 0xc0, 0x7e, 0xe5, 0x1a, 0xfa, 0xc3, 0x05, 0xef, 0xac, 0x80, 0x93, 0x31, 0x54, 0xe7,
+	0x4c, 0xcf, 0x7d, 0xa7, 0xe7, 0xf4, 0x9b, 0xe1, 0xf1, 0xf5, 0xaa, 0xbb, 0xf1, 0x7d, 0xd5, 0xdd,
+	0xe3, 0xb1, 0x99, 0xa7, 0x93, 0x60, 0x2a, 0x97, 0x83, 0x25, 0x6a, 0xbe, 0x7f, 0x21, 0x53, 0x31,
+	0x63, 0x59, 0xc5, 0x00, 0x05, 0x8f, 0x05, 0x0e, 0xb2, 0xaa, 0xe0, 0x2d, 0xd3, 0xf3, 0x9b, 0x55,
+	0x77, 0x2b, 0x0b, 0x8e, 0xe8, 0x3e, 0x8d, 0x2c, 0x8c, 0xcc, 0x00, 0x12, 0xa6, 0x50, 0x98, 0x2c,
+	0xef, 0x6f, 0x5a, 0xf4, 0xe9, 0xc3, 0xd0, 0xad, 0x1c, 0x2d, 0xd8, 0x12, 0x8f, 0x86, 0x34, 0x5a,
+	0xe3, 0x92, 0x09, 0x78, 0xf8, 0xb9, 0xb8, 0xa4, 0xf2, 0x58, 0x97, 0x8c, 0x68, 0x74, 0x87, 0x25,
+	0x23, 0x70, 0xb5, 0x61, 0x26, 0xd5, 0x7e, 0xb5, 0xe7, 0xf4, 0xdb, 0xc3, 0x56, 0x60, 0xc7, 0x10,
+	0x8c, 0xed, 0x61, 0xd8, 0x2c, 0x3d, 0xfe, 0x56, 0x4a, 0xe6, 0xd0, 0x8c, 0x85, 0x36, 0x4c, 0x4c,
+	0xd1, 0x7a, 0xab, 0x3d, 0x96, 0xb7, 0x43, 0x1a, 0x95, 0xc8, 0x64, 0x0f, 0xea, 0x86, 0xe9, 0xcb,
+	0x77, 0x78, 0xe5, 0xbb, 0x3d, 0xa7, 0xef, 0x85, 0x4f, 0xff, 0xaa, 0x78, 0x45, 0xa3, 0x42, 0x41,
+	0x42, 0x70, 0x63, 0x91, 0xa4, 0x46, 0xfb, 0xf5, 0x9e, 0xd3, 0x6f, 0x0c, 0x9f, 0x05, 0xf9, 0x2e,
+	0x05, 0xc5, 0xbe, 0x04, 0x63, 0xbb, 0x4b, 0xf7, 0x20, 0xaf, 0x69, 0x74, 0x5b, 0x49, 0x8e, 0xa1,
+	0x2e, 0x53, 0x63, 0x21, 0x5b, 0xff, 0x86, 0x94, 0x5b, 0x53, 0x54, 0x11, 0x0a, 0x35, 0x54, 0x4a,
+	0x2a, 0xdf, 0xb3, 0x7e, 0xcb, 0xaa, 0x3c, 0x45, 0x5e, 0x40, 0xd5, 0x30, 0xae, 0x7d, 0xe8, 0x55,
+	0xfa, 0x5e, 0x48, 0x6e, 0x56, 0xdd, 0xf6, 0x9a, 0x9b, 0x83, 0x97, 0x34, 0xb2, 0x79, 0xc2, 0xa1,
+	0x91, 0x28, 0x39, 0x45, 0xad, 0x6d, 0x9b, 0x1b, 0xb6, 0xcd, 0x67, 0x0f, 0x6b, 0x73, 0xe9, 0x86,
+	0x03, 0x1a, 0xad, 0x93, 0xc9, 0x6e, 0xb6, 0x05, 0x98, 0x9c, 0x9f, 0xfa, 0x4d, 0xeb, 0xfa, 0x9e,
+	0xa5, 0xa1, 0x1d, 0x7e, 0xa6, 0xd8, 0x7d, 0x0f, 0x6e, 0xbe, 0x1c, 0xa4, 0x01, 0xf5, 0x8f, 0xe2,
+	0x52, 0xc8, 0x2f, 0xa2, 0xb3, 0x91, 0x05, 0x27, 0x0a, 0x99, 0xc1, 0x59, 0xc7, 0x21, 0x6d, 0x80,
+	0x73, 0xf1, 0x41, 0x49, 0xae, 0x50, 0xeb, 0xce, 0x26, 0x69, 0x81, 0x77, 0x22, 0x97, 0xc9, 0x02,
+	0xb3, 0x74, 0x85, 0x00, 0xb8, 0x6f, 0x58, 0xbc, 0xc0, 0x59, 0xa7, 0x1a, 0x1e, 0x5e, 0xff, 0xdc,
+	0xd9, 0xf8, 0xf6, 0x6b, 0xc7, 0xf9, 0xf4, 0x1f, 0x0f, 0xfa, 0xf3, 0xcf, 0x98, 0xb8, 0x76, 0x1c,
+	0xa3, 0xdf, 0x01, 0x00, 0x00, 0xff, 0xff, 0x73, 0x1c, 0x6a, 0x6d, 0x47, 0x04, 0x00, 0x00,
+}
+
+func (this *Execution) Equal(that interface{}) bool {
+	if that == nil {
+		return this == nil
+	}
+
+	that1, ok := that.(*Execution)
+	if !ok {
+		that2, ok := that.(Execution)
+		if ok {
+			that1 = &that2
+		} else {
+			return false
+		}
+	}
+	if that1 == nil {
+		return this == nil
+	} else if this == nil {
+		return false
+	}
+	if !this.Hash.Equal(that1.Hash) {
+		return false
+	}
+	if !this.ParentHash.Equal(that1.ParentHash) {
+		return false
+	}
+	if !this.EventHash.Equal(that1.EventHash) {
+		return false
+	}
+	if this.Status != that1.Status {
+		return false
+	}
+	if !this.InstanceHash.Equal(that1.InstanceHash) {
+		return false
+	}
+	if this.TaskKey != that1.TaskKey {
+		return false
+	}
+	if !this.Inputs.Equal(that1.Inputs) {
+		return false
+	}
+	if !this.Outputs.Equal(that1.Outputs) {
+		return false
+	}
+	if this.Error != that1.Error {
+		return false
+	}
+	if len(this.Tags) != len(that1.Tags) {
+		return false
+	}
+	for i := range this.Tags {
+		if this.Tags[i] != that1.Tags[i] {
+			return false
+		}
+	}
+	if !this.ProcessHash.Equal(that1.ProcessHash) {
+		return false
+	}
+	if this.StepID != that1.StepID {
+		return false
+	}
+	if !bytes.Equal(this.XXX_unrecognized, that1.XXX_unrecognized) {
+		return false
+	}
+	return true
 }
diff --git a/protobuf/types/execution.proto b/protobuf/types/execution.proto
index 27a9b0556..2633a496f 100644
--- a/protobuf/types/execution.proto
+++ b/protobuf/types/execution.proto
@@ -7,6 +7,7 @@ package types;
 option go_package = "github.com/mesg-foundation/engine/execution";
 
 option (gogoproto.goproto_getters_all) = false;
+option (gogoproto.equal_all) = true;
 
 // Status represents the status of a single execution.
 // Note that a valid execution must have only one status
diff --git a/sdk/execution/execution_test.go b/sdk/execution/execution_test.go
index 50be472bb..0390c79fe 100644
--- a/sdk/execution/execution_test.go
+++ b/sdk/execution/execution_test.go
@@ -100,7 +100,7 @@ func TestGet(t *testing.T) {
 	require.NoError(t, sdk.execDB.Save(exec))
 	got, err := sdk.Get(exec.Hash)
 	require.NoError(t, err)
-	require.Equal(t, exec, got)
+	require.True(t, exec.Equal(got))
 }
 
 func TestGetStream(t *testing.T) {
diff --git a/server/grpc/api/execution_test.go b/server/grpc/api/execution_test.go
index 5a1e9c4f9..3e7c17cba 100644
--- a/server/grpc/api/execution_test.go
+++ b/server/grpc/api/execution_test.go
@@ -28,7 +28,7 @@ func TestGet(t *testing.T) {
 
 	got, err := s.Get(context.Background(), &api.GetExecutionRequest{Hash: exec.Hash})
 	require.NoError(t, err)
-	require.Equal(t, got, exec)
+	require.True(t, got.Equal(exec))
 }
 
 func TestUpdate(t *testing.T) {