diff --git a/neo.UnitTests/UT_Block.cs b/neo.UnitTests/UT_Block.cs
index c0c1163d5e..f7acf254be 100644
--- a/neo.UnitTests/UT_Block.cs
+++ b/neo.UnitTests/UT_Block.cs
@@ -240,12 +240,7 @@ public void RebuildMerkleRoot_Updates()
         public void ToJson()
         {
             UInt256 val256 = UInt256.Zero;
-            UInt256 merkRoot;
-            UInt160 val160;
-            uint timestampVal, indexVal;
-            Witness scriptVal;
-            Transaction[] transactionsVal;
-            TestUtils.SetupBlockWithValues(uut, val256, out merkRoot, out val160, out timestampVal, out indexVal, out scriptVal, out transactionsVal, 1);
+            TestUtils.SetupBlockWithValues(uut, val256, out var merkRoot, out var val160, out var timestampVal, out var indexVal, out var scriptVal, out var transactionsVal, 1);
 
             JObject jObj = uut.ToJson();
             jObj.Should().NotBeNull();
@@ -264,7 +259,7 @@ public void ToJson()
 
             jObj["tx"].Should().NotBeNull();
             JArray txObj = (JArray)jObj["tx"];
-            txObj[0]["txid"].AsString().Should().Be("0x7647acf1ef8a841b87f2369398a0e9f0ccde0ed9e835d980657103da6da59580");
+            txObj[0]["hash"].AsString().Should().Be("0x7647acf1ef8a841b87f2369398a0e9f0ccde0ed9e835d980657103da6da59580");
             txObj[0]["size"].AsNumber().Should().Be(50);
             txObj[0]["version"].AsNumber().Should().Be(0);
             ((JArray)txObj[0]["attributes"]).Count.Should().Be(0);
diff --git a/neo.UnitTests/UT_Transaction.cs b/neo.UnitTests/UT_Transaction.cs
index 2600867986..b192a2479d 100644
--- a/neo.UnitTests/UT_Transaction.cs
+++ b/neo.UnitTests/UT_Transaction.cs
@@ -82,7 +82,7 @@ public void ToJson()
 
             JObject jObj = uut.ToJson();
             jObj.Should().NotBeNull();
-            jObj["txid"].AsString().Should().Be("0x38274692538dfecaae36f8fd518d92bae25607d491c40a8f927cc06bd97ab2c8");
+            jObj["hash"].AsString().Should().Be("0x38274692538dfecaae36f8fd518d92bae25607d491c40a8f927cc06bd97ab2c8");
             jObj["size"].AsNumber().Should().Be(81);
             jObj["version"].AsNumber().Should().Be(0);
             ((JArray)jObj["attributes"]).Count.Should().Be(0);
diff --git a/neo/Network/P2P/Payloads/Transaction.cs b/neo/Network/P2P/Payloads/Transaction.cs
index 52a6fc867a..b21f02ccbb 100644
--- a/neo/Network/P2P/Payloads/Transaction.cs
+++ b/neo/Network/P2P/Payloads/Transaction.cs
@@ -176,7 +176,7 @@ void IVerifiable.SerializeUnsigned(BinaryWriter writer)
         public JObject ToJson()
         {
             JObject json = new JObject();
-            json["txid"] = Hash.ToString();
+            json["hash"] = Hash.ToString();
             json["size"] = Size;
             json["version"] = Version;
             json["nonce"] = Nonce;
diff --git a/neo/Network/RPC/RpcServer.cs b/neo/Network/RPC/RpcServer.cs
index 6b5e7f549d..6bfdd15618 100644
--- a/neo/Network/RPC/RpcServer.cs
+++ b/neo/Network/RPC/RpcServer.cs
@@ -90,12 +90,16 @@ private JObject GetInvokeResult(byte[] script)
             return json;
         }
 
-        private static JObject GetRelayResult(RelayResultReason reason)
+        private static JObject GetRelayResult(RelayResultReason reason, UInt256 hash)
         {
             switch (reason)
             {
                 case RelayResultReason.Succeed:
-                    return true;
+                    {
+                        var ret = new JObject();
+                        ret["hash"] = hash.ToString();
+                        return ret;
+                    }
                 case RelayResultReason.AlreadyExists:
                     throw new RpcException(-501, "Block or transaction already exists and cannot be sent repeatedly.");
                 case RelayResultReason.OutOfMemory:
@@ -606,13 +610,13 @@ private JObject ListPlugins()
         private JObject SendRawTransaction(Transaction tx)
         {
             RelayResultReason reason = system.Blockchain.Ask<RelayResultReason>(tx).Result;
-            return GetRelayResult(reason);
+            return GetRelayResult(reason, tx.Hash);
         }
 
         private JObject SubmitBlock(Block block)
         {
             RelayResultReason reason = system.Blockchain.Ask<RelayResultReason>(block).Result;
-            return GetRelayResult(reason);
+            return GetRelayResult(reason, block.Hash);
         }
 
         private JObject ValidateAddress(string address)