diff --git a/src/Nethermind/Nethermind.Merge.Plugin.Test/EngineModuleTests.V3.cs b/src/Nethermind/Nethermind.Merge.Plugin.Test/EngineModuleTests.V3.cs
index e636cca9525..75f1da2fdd8 100644
--- a/src/Nethermind/Nethermind.Merge.Plugin.Test/EngineModuleTests.V3.cs
+++ b/src/Nethermind/Nethermind.Merge.Plugin.Test/EngineModuleTests.V3.cs
@@ -5,12 +5,10 @@
 using System.Collections.Generic;
 using System.IO.Abstractions;
 using System.Linq;
-using System.Text.Json;
 using System.Text.Json.Nodes;
 using System.Threading;
 using System.Threading.Tasks;
 using FluentAssertions;
-using k8s.Models;
 using Nethermind.Consensus.Producers;
 using Nethermind.Core;
 using Nethermind.Core.Crypto;
@@ -28,7 +26,6 @@
 using Nethermind.Merge.Plugin.Handlers;
 using Nethermind.Serialization.Json;
 using Nethermind.Serialization.Rlp;
-using Nethermind.Specs;
 using Nethermind.Specs.Forks;
 using NSubstitute;
 using NUnit.Framework;
@@ -190,7 +187,6 @@ public async Task NewPayloadV3_should_decline_null_blobversionedhashes()
             = await PreparePayloadRequestEnv();
 
         string executionPayloadString = serializer.Serialize(executionPayload);
-        string blobsString = serializer.Serialize(Array.Empty<byte[]>());
 
         JsonRpcRequest request = RpcTest.GetJsonRequest(nameof(IEngineRpcModule.engine_newPayloadV3),
             executionPayloadString, null!);
@@ -199,6 +195,24 @@ public async Task NewPayloadV3_should_decline_null_blobversionedhashes()
         Assert.That(response!.Error!.Code, Is.EqualTo(ErrorCodes.InvalidParams));
     }
 
+    [Test]
+    public async Task NewPayloadV3_invalidblockhash()
+    {
+        (JsonRpcService jsonRpcService, JsonRpcContext context, EthereumJsonSerializer _, ExecutionPayloadV3 _)
+            = await PreparePayloadRequestEnv();
+
+        string requestStr = """
+                            {"parentHash":"0xd6194b42ad579c195e9aaaf04692619f4de9c5fbdd6b58baaabe93384e834d25","feeRecipient":"0x0000000000000000000000000000000000000000","stateRoot":"0xfe1fa6bb862e4a5efd9ee8967b356d4f7b6205a437eeac8b0e625db3cb662018","receiptsRoot":"0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421","logsBloom":"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000","prevRandao":"0xfaebfae9aef88ac8eba03decf329c8155991e07cb1a9dc6ac69e420550a45037","blockNumber":"0x1","gasLimit":"0x2fefd8","gasUsed":"0x0","timestamp":"0x1235","extraData":"0x4e65746865726d696e64","baseFeePerGas":"0x342770c0","blockHash":"0x0718890af079939b4aae6ac0ecaa94c633ad73e69e787f526f0d558043e8e2f1","transactions":[],"withdrawals":[{"index":"0x1","validatorIndex":"0x0","address":"0x0000000000000000000000000000000000000000","amount":"0x64"},{"index":"0x2","validatorIndex":"0x1","address":"0x0100000000000000000000000000000000000000","amount":"0x64"},{"index":"0x3","validatorIndex":"0x2","address":"0x0200000000000000000000000000000000000000","amount":"0x64"},{"index":"0x4","validatorIndex":"0x3","address":"0x0300000000000000000000000000000000000000","amount":"0x64"},{"index":"0x5","validatorIndex":"0x4","address":"0x0400000000000000000000000000000000000000","amount":"0x64"},{"index":"0x6","validatorIndex":"0x5","address":"0x0500000000000000000000000000000000000000","amount":"0x64"},{"index":"0x7","validatorIndex":"0x6","address":"0x0600000000000000000000000000000000000000","amount":"0x64"},{"index":"0x8","validatorIndex":"0x7","address":"0x0700000000000000000000000000000000000000","amount":"0x64"},{"index":"0x9","validatorIndex":"0x8","address":"0x0800000000000000000000000000000000000000","amount":"0x64"},{"index":"0xa","validatorIndex":"0x9","address":"0x0900000000000000000000000000000000000000","amount":"0x64"}],"excessBlobGas":"0x0"}
+                            """;
+        JsonRpcRequest request = RpcTest.GetJsonRequest(nameof(IEngineRpcModule.engine_newPayloadV3),
+            requestStr, "[]", "0x169630f535b4a41330164c6e5c92b1224c0c407f582d407d0ac3d206cd32fd52");
+
+        var rpcResponse = await jsonRpcService.SendRequestAsync(request, context);
+        JsonRpcErrorResponse? response = (rpcResponse) as JsonRpcErrorResponse;
+        Assert.That(response?.Error, Is.Not.Null);
+        Assert.That(response!.Error!.Code, Is.EqualTo(ErrorCodes.InvalidParams));
+    }
+
     private async Task<(JsonRpcService jsonRpcService, JsonRpcContext context, EthereumJsonSerializer serializer, ExecutionPayloadV3 correctExecutionPayload)>
             PreparePayloadRequestEnv()
     {
diff --git a/src/Nethermind/Nethermind.Merge.Plugin/Data/ExecutionPayload.cs b/src/Nethermind/Nethermind.Merge.Plugin/Data/ExecutionPayload.cs
index 20ee36d36f7..cedac0264f8 100644
--- a/src/Nethermind/Nethermind.Merge.Plugin/Data/ExecutionPayload.cs
+++ b/src/Nethermind/Nethermind.Merge.Plugin/Data/ExecutionPayload.cs
@@ -3,17 +3,14 @@
 
 using System;
 using System.Collections.Generic;
-using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using Nethermind.Core;
 using Nethermind.Core.Crypto;
 using Nethermind.Core.Specs;
 using Nethermind.Int256;
 using Nethermind.Merge.Plugin.Handlers;
-using Nethermind.Serialization.Json;
 using Nethermind.Serialization.Rlp;
 using Nethermind.State.Proofs;
-using System.Text.Json;
 using System.Text.Json.Serialization;
 
 namespace Nethermind.Merge.Plugin.Data;
@@ -100,14 +97,14 @@ public byte[][] Transactions
     /// <see href="https://eips.ethereum.org/EIPS/eip-4844">EIP-4844</see>.
     /// </summary>
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
-    public ulong? BlobGasUsed { get; set; }
+    public virtual ulong? BlobGasUsed { get; set; }
 
     /// <summary>
     /// Gets or sets <see cref="Block.ExcessBlobGas"/> as defined in
     /// <see href="https://eips.ethereum.org/EIPS/eip-4844">EIP-4844</see>.
     /// </summary>
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
-    public ulong? ExcessBlobGas { get; set; }
+    public virtual ulong? ExcessBlobGas { get; set; }
 
     /// <summary>
     /// Gets or sets <see cref="Block.ParentBeaconBlockRoot"/> as defined in
diff --git a/src/Nethermind/Nethermind.Merge.Plugin/Data/ExecutionPayloadV3.cs b/src/Nethermind/Nethermind.Merge.Plugin/Data/ExecutionPayloadV3.cs
index dd78f8ea35a..ff236bab63d 100644
--- a/src/Nethermind/Nethermind.Merge.Plugin/Data/ExecutionPayloadV3.cs
+++ b/src/Nethermind/Nethermind.Merge.Plugin/Data/ExecutionPayloadV3.cs
@@ -1,6 +1,7 @@
 // SPDX-FileCopyrightText: 2022 Demerzel Solutions Limited
 // SPDX-License-Identifier: LGPL-3.0-only
 
+using System.Text.Json.Serialization;
 using Nethermind.Core;
 using Nethermind.Core.Specs;
 using Nethermind.Int256;
@@ -36,4 +37,18 @@ public override bool TryGetBlock(out Block? block, UInt256? totalDifficulty = nu
 
     public override bool ValidateFork(ISpecProvider specProvider) =>
         specProvider.GetSpec(BlockNumber, Timestamp).IsEip4844Enabled;
+
+    /// <summary>
+    /// Gets or sets <see cref="Block.BlobGasUsed"/> as defined in
+    /// <see href="https://eips.ethereum.org/EIPS/eip-4844">EIP-4844</see>.
+    /// </summary>
+    [JsonRequired]
+    public override ulong? BlobGasUsed { get; set; }
+
+    /// <summary>
+    /// Gets or sets <see cref="Block.ExcessBlobGas"/> as defined in
+    /// <see href="https://eips.ethereum.org/EIPS/eip-4844">EIP-4844</see>.
+    /// </summary>
+    [JsonRequired]
+    public override ulong? ExcessBlobGas { get; set; }
 }