diff --git a/grpc/execution/server.go b/grpc/execution/server.go
index 6898a6af16..dac5dc8b7b 100644
--- a/grpc/execution/server.go
+++ b/grpc/execution/server.go
@@ -97,10 +97,11 @@ func (s *ExecutionServiceServer) DoBlock(ctx context.Context, req *executionv1.D
 		s.eth.TxPool().RemoveTx(tx.Hash())
 	}
 
+	finalizedBlock := s.bc.CurrentFinalBlock()
 	newForkChoice := &engine.ForkchoiceStateV1{
 		HeadBlockHash:      block.Hash(),
 		SafeBlockHash:      block.Hash(),
-		FinalizedBlockHash: block.Hash(),
+		FinalizedBlockHash: finalizedBlock.Hash(),
 	}
 	fcEndResp, err := s.consensus.ForkchoiceUpdatedV1(*newForkChoice, nil)
 	if err != nil {
@@ -114,6 +115,16 @@ func (s *ExecutionServiceServer) DoBlock(ctx context.Context, req *executionv1.D
 	return res, nil
 }
 
+func (s *ExecutionServiceServer) FinalizeBlock(ctx context.Context, req *executionv1.FinalizeBlockRequest) (*executionv1.FinalizeBlockResponse, error) {
+	header := s.bc.GetHeaderByHash(common.BytesToHash(req.BlockHash))
+	if header == nil {
+		return nil, fmt.Errorf("failed to get header for block hash 0x%x", req.BlockHash)
+	}
+
+	s.bc.SetFinalized(header)
+	return &executionv1.FinalizeBlockResponse{}, nil
+}
+
 func (s *ExecutionServiceServer) InitState(ctx context.Context, req *executionv1.InitStateRequest) (*executionv1.InitStateResponse, error) {
 	currHead := s.eth.BlockChain().CurrentHeader()
 	res := &executionv1.InitStateResponse{
diff --git a/grpc/gen/proto/execution/v1/execution.pb.go b/grpc/gen/proto/execution/v1/execution.pb.go
index a47be286cc..a458af648e 100644
--- a/grpc/gen/proto/execution/v1/execution.pb.go
+++ b/grpc/gen/proto/execution/v1/execution.pb.go
@@ -131,6 +131,91 @@ func (x *DoBlockResponse) GetBlockHash() []byte {
 	return nil
 }
 
+type FinalizeBlockRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	BlockHash []byte `protobuf:"bytes,1,opt,name=block_hash,json=blockHash,proto3" json:"block_hash,omitempty"`
+}
+
+func (x *FinalizeBlockRequest) Reset() {
+	*x = FinalizeBlockRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_execution_v1_execution_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *FinalizeBlockRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*FinalizeBlockRequest) ProtoMessage() {}
+
+func (x *FinalizeBlockRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_execution_v1_execution_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use FinalizeBlockRequest.ProtoReflect.Descriptor instead.
+func (*FinalizeBlockRequest) Descriptor() ([]byte, []int) {
+	return file_proto_execution_v1_execution_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *FinalizeBlockRequest) GetBlockHash() []byte {
+	if x != nil {
+		return x.BlockHash
+	}
+	return nil
+}
+
+type FinalizeBlockResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *FinalizeBlockResponse) Reset() {
+	*x = FinalizeBlockResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_execution_v1_execution_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *FinalizeBlockResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*FinalizeBlockResponse) ProtoMessage() {}
+
+func (x *FinalizeBlockResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_execution_v1_execution_proto_msgTypes[3]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use FinalizeBlockResponse.ProtoReflect.Descriptor instead.
+func (*FinalizeBlockResponse) Descriptor() ([]byte, []int) {
+	return file_proto_execution_v1_execution_proto_rawDescGZIP(), []int{3}
+}
+
 type InitStateRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -140,7 +225,7 @@ type InitStateRequest struct {
 func (x *InitStateRequest) Reset() {
 	*x = InitStateRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_proto_execution_v1_execution_proto_msgTypes[2]
+		mi := &file_proto_execution_v1_execution_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -153,7 +238,7 @@ func (x *InitStateRequest) String() string {
 func (*InitStateRequest) ProtoMessage() {}
 
 func (x *InitStateRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_execution_v1_execution_proto_msgTypes[2]
+	mi := &file_proto_execution_v1_execution_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -166,7 +251,7 @@ func (x *InitStateRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use InitStateRequest.ProtoReflect.Descriptor instead.
 func (*InitStateRequest) Descriptor() ([]byte, []int) {
-	return file_proto_execution_v1_execution_proto_rawDescGZIP(), []int{2}
+	return file_proto_execution_v1_execution_proto_rawDescGZIP(), []int{4}
 }
 
 type InitStateResponse struct {
@@ -180,7 +265,7 @@ type InitStateResponse struct {
 func (x *InitStateResponse) Reset() {
 	*x = InitStateResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_proto_execution_v1_execution_proto_msgTypes[3]
+		mi := &file_proto_execution_v1_execution_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -193,7 +278,7 @@ func (x *InitStateResponse) String() string {
 func (*InitStateResponse) ProtoMessage() {}
 
 func (x *InitStateResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_proto_execution_v1_execution_proto_msgTypes[3]
+	mi := &file_proto_execution_v1_execution_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -206,7 +291,7 @@ func (x *InitStateResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use InitStateResponse.ProtoReflect.Descriptor instead.
 func (*InitStateResponse) Descriptor() ([]byte, []int) {
-	return file_proto_execution_v1_execution_proto_rawDescGZIP(), []int{3}
+	return file_proto_execution_v1_execution_proto_rawDescGZIP(), []int{5}
 }
 
 func (x *InitStateResponse) GetBlockHash() []byte {
@@ -236,35 +321,45 @@ var file_proto_execution_v1_execution_proto_rawDesc = []byte{
 	0x70, 0x52, 0x09, 0x74, 0x69, 0x6d, 0x65, 0x73, 0x74, 0x61, 0x6d, 0x70, 0x22, 0x30, 0x0a, 0x0f,
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 }
 
 var (
@@ -279,22 +374,26 @@ func file_proto_execution_v1_execution_proto_rawDescGZIP() []byte {
 	return file_proto_execution_v1_execution_proto_rawDescData
 }
 
-var file_proto_execution_v1_execution_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
+var file_proto_execution_v1_execution_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
 var file_proto_execution_v1_execution_proto_goTypes = []interface{}{
 	(*DoBlockRequest)(nil),        // 0: execution.v1.DoBlockRequest
 	(*DoBlockResponse)(nil),       // 1: execution.v1.DoBlockResponse
-	(*InitStateRequest)(nil),      // 2: execution.v1.InitStateRequest
-	(*InitStateResponse)(nil),     // 3: execution.v1.InitStateResponse
-	(*timestamppb.Timestamp)(nil), // 4: google.protobuf.Timestamp
+	(*FinalizeBlockRequest)(nil),  // 2: execution.v1.FinalizeBlockRequest
+	(*FinalizeBlockResponse)(nil), // 3: execution.v1.FinalizeBlockResponse
+	(*InitStateRequest)(nil),      // 4: execution.v1.InitStateRequest
+	(*InitStateResponse)(nil),     // 5: execution.v1.InitStateResponse
+	(*timestamppb.Timestamp)(nil), // 6: google.protobuf.Timestamp
 }
 var file_proto_execution_v1_execution_proto_depIdxs = []int32{
-	4, // 0: execution.v1.DoBlockRequest.timestamp:type_name -> google.protobuf.Timestamp
-	0, // 1: execution.v1.ExecutionService.DoBlock:input_type -> execution.v1.DoBlockRequest
-	2, // 2: execution.v1.ExecutionService.InitState:input_type -> execution.v1.InitStateRequest
-	1, // 3: execution.v1.ExecutionService.DoBlock:output_type -> execution.v1.DoBlockResponse
-	3, // 4: execution.v1.ExecutionService.InitState:output_type -> execution.v1.InitStateResponse
-	3, // [3:5] is the sub-list for method output_type
-	1, // [1:3] is the sub-list for method input_type
+	6, // 0: execution.v1.DoBlockRequest.timestamp:type_name -> google.protobuf.Timestamp
+	4, // 1: execution.v1.ExecutionService.InitState:input_type -> execution.v1.InitStateRequest
+	0, // 2: execution.v1.ExecutionService.DoBlock:input_type -> execution.v1.DoBlockRequest
+	2, // 3: execution.v1.ExecutionService.FinalizeBlock:input_type -> execution.v1.FinalizeBlockRequest
+	5, // 4: execution.v1.ExecutionService.InitState:output_type -> execution.v1.InitStateResponse
+	1, // 5: execution.v1.ExecutionService.DoBlock:output_type -> execution.v1.DoBlockResponse
+	3, // 6: execution.v1.ExecutionService.FinalizeBlock:output_type -> execution.v1.FinalizeBlockResponse
+	4, // [4:7] is the sub-list for method output_type
+	1, // [1:4] is the sub-list for method input_type
 	1, // [1:1] is the sub-list for extension type_name
 	1, // [1:1] is the sub-list for extension extendee
 	0, // [0:1] is the sub-list for field type_name
@@ -331,7 +430,7 @@ func file_proto_execution_v1_execution_proto_init() {
 			}
 		}
 		file_proto_execution_v1_execution_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*InitStateRequest); i {
+			switch v := v.(*FinalizeBlockRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -343,6 +442,30 @@ func file_proto_execution_v1_execution_proto_init() {
 			}
 		}
 		file_proto_execution_v1_execution_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*FinalizeBlockResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_execution_v1_execution_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*InitStateRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_execution_v1_execution_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*InitStateResponse); i {
 			case 0:
 				return &v.state
@@ -361,7 +484,7 @@ func file_proto_execution_v1_execution_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_proto_execution_v1_execution_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   4,
+			NumMessages:   6,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/grpc/gen/proto/execution/v1/execution_grpc.pb.go b/grpc/gen/proto/execution/v1/execution_grpc.pb.go
index 1faf8aeb74..39fb7146d4 100644
--- a/grpc/gen/proto/execution/v1/execution_grpc.pb.go
+++ b/grpc/gen/proto/execution/v1/execution_grpc.pb.go
@@ -19,16 +19,18 @@ import (
 const _ = grpc.SupportPackageIsVersion7
 
 const (
-	ExecutionService_DoBlock_FullMethodName   = "/execution.v1.ExecutionService/DoBlock"
-	ExecutionService_InitState_FullMethodName = "/execution.v1.ExecutionService/InitState"
+	ExecutionService_InitState_FullMethodName     = "/execution.v1.ExecutionService/InitState"
+	ExecutionService_DoBlock_FullMethodName       = "/execution.v1.ExecutionService/DoBlock"
+	ExecutionService_FinalizeBlock_FullMethodName = "/execution.v1.ExecutionService/FinalizeBlock"
 )
 
 // ExecutionServiceClient is the client API for ExecutionService service.
 //
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
 type ExecutionServiceClient interface {
-	DoBlock(ctx context.Context, in *DoBlockRequest, opts ...grpc.CallOption) (*DoBlockResponse, error)
 	InitState(ctx context.Context, in *InitStateRequest, opts ...grpc.CallOption) (*InitStateResponse, error)
+	DoBlock(ctx context.Context, in *DoBlockRequest, opts ...grpc.CallOption) (*DoBlockResponse, error)
+	FinalizeBlock(ctx context.Context, in *FinalizeBlockRequest, opts ...grpc.CallOption) (*FinalizeBlockResponse, error)
 }
 
 type executionServiceClient struct {
@@ -39,15 +41,6 @@ func NewExecutionServiceClient(cc grpc.ClientConnInterface) ExecutionServiceClie
 	return &executionServiceClient{cc}
 }
 
-func (c *executionServiceClient) DoBlock(ctx context.Context, in *DoBlockRequest, opts ...grpc.CallOption) (*DoBlockResponse, error) {
-	out := new(DoBlockResponse)
-	err := c.cc.Invoke(ctx, ExecutionService_DoBlock_FullMethodName, in, out, opts...)
-	if err != nil {
-		return nil, err
-	}
-	return out, nil
-}
-
 func (c *executionServiceClient) InitState(ctx context.Context, in *InitStateRequest, opts ...grpc.CallOption) (*InitStateResponse, error) {
 	out := new(InitStateResponse)
 	err := c.cc.Invoke(ctx, ExecutionService_InitState_FullMethodName, in, out, opts...)
@@ -57,12 +50,31 @@ func (c *executionServiceClient) InitState(ctx context.Context, in *InitStateReq
 	return out, nil
 }
 
+func (c *executionServiceClient) DoBlock(ctx context.Context, in *DoBlockRequest, opts ...grpc.CallOption) (*DoBlockResponse, error) {
+	out := new(DoBlockResponse)
+	err := c.cc.Invoke(ctx, ExecutionService_DoBlock_FullMethodName, in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *executionServiceClient) FinalizeBlock(ctx context.Context, in *FinalizeBlockRequest, opts ...grpc.CallOption) (*FinalizeBlockResponse, error) {
+	out := new(FinalizeBlockResponse)
+	err := c.cc.Invoke(ctx, ExecutionService_FinalizeBlock_FullMethodName, in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // ExecutionServiceServer is the server API for ExecutionService service.
 // All implementations must embed UnimplementedExecutionServiceServer
 // for forward compatibility
 type ExecutionServiceServer interface {
-	DoBlock(context.Context, *DoBlockRequest) (*DoBlockResponse, error)
 	InitState(context.Context, *InitStateRequest) (*InitStateResponse, error)
+	DoBlock(context.Context, *DoBlockRequest) (*DoBlockResponse, error)
+	FinalizeBlock(context.Context, *FinalizeBlockRequest) (*FinalizeBlockResponse, error)
 	mustEmbedUnimplementedExecutionServiceServer()
 }
 
@@ -70,11 +82,14 @@ type ExecutionServiceServer interface {
 type UnimplementedExecutionServiceServer struct {
 }
 
+func (UnimplementedExecutionServiceServer) InitState(context.Context, *InitStateRequest) (*InitStateResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method InitState not implemented")
+}
 func (UnimplementedExecutionServiceServer) DoBlock(context.Context, *DoBlockRequest) (*DoBlockResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method DoBlock not implemented")
 }
-func (UnimplementedExecutionServiceServer) InitState(context.Context, *InitStateRequest) (*InitStateResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method InitState not implemented")
+func (UnimplementedExecutionServiceServer) FinalizeBlock(context.Context, *FinalizeBlockRequest) (*FinalizeBlockResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method FinalizeBlock not implemented")
 }
 func (UnimplementedExecutionServiceServer) mustEmbedUnimplementedExecutionServiceServer() {}
 
@@ -89,24 +104,6 @@ func RegisterExecutionServiceServer(s grpc.ServiceRegistrar, srv ExecutionServic
 	s.RegisterService(&ExecutionService_ServiceDesc, srv)
 }
 
-func _ExecutionService_DoBlock_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(DoBlockRequest)
-	if err := dec(in); err != nil {
-		return nil, err
-	}
-	if interceptor == nil {
-		return srv.(ExecutionServiceServer).DoBlock(ctx, in)
-	}
-	info := &grpc.UnaryServerInfo{
-		Server:     srv,
-		FullMethod: ExecutionService_DoBlock_FullMethodName,
-	}
-	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(ExecutionServiceServer).DoBlock(ctx, req.(*DoBlockRequest))
-	}
-	return interceptor(ctx, in, info, handler)
-}
-
 func _ExecutionService_InitState_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(InitStateRequest)
 	if err := dec(in); err != nil {
@@ -125,6 +122,42 @@ func _ExecutionService_InitState_Handler(srv interface{}, ctx context.Context, d
 	return interceptor(ctx, in, info, handler)
 }
 
+func _ExecutionService_DoBlock_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(DoBlockRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ExecutionServiceServer).DoBlock(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: ExecutionService_DoBlock_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ExecutionServiceServer).DoBlock(ctx, req.(*DoBlockRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _ExecutionService_FinalizeBlock_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(FinalizeBlockRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(ExecutionServiceServer).FinalizeBlock(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: ExecutionService_FinalizeBlock_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(ExecutionServiceServer).FinalizeBlock(ctx, req.(*FinalizeBlockRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 // ExecutionService_ServiceDesc is the grpc.ServiceDesc for ExecutionService service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@@ -132,13 +165,17 @@ var ExecutionService_ServiceDesc = grpc.ServiceDesc{
 	ServiceName: "execution.v1.ExecutionService",
 	HandlerType: (*ExecutionServiceServer)(nil),
 	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "InitState",
+			Handler:    _ExecutionService_InitState_Handler,
+		},
 		{
 			MethodName: "DoBlock",
 			Handler:    _ExecutionService_DoBlock_Handler,
 		},
 		{
-			MethodName: "InitState",
-			Handler:    _ExecutionService_InitState_Handler,
+			MethodName: "FinalizeBlock",
+			Handler:    _ExecutionService_FinalizeBlock_Handler,
 		},
 	},
 	Streams:  []grpc.StreamDesc{},