diff --git a/src/Nethermind/Nethermind.Init/Steps/RegisterRpcModules.cs b/src/Nethermind/Nethermind.Init/Steps/RegisterRpcModules.cs
index 5bc4f2ffc9a..570ec346d9b 100644
--- a/src/Nethermind/Nethermind.Init/Steps/RegisterRpcModules.cs
+++ b/src/Nethermind/Nethermind.Init/Steps/RegisterRpcModules.cs
@@ -132,6 +132,7 @@ public virtual async Task Execute(CancellationToken cancellationToken)
 
         ManualPruningTrigger pruningTrigger = new();
         _api.PruningTrigger.Add(pruningTrigger);
+        (IApiWithStores getFromApi, IApiWithBlockchain setInApi) = _api.ForInit;
         AdminRpcModule adminRpcModule = new(
             _api.BlockTree,
             networkConfig,
@@ -139,7 +140,8 @@ public virtual async Task Execute(CancellationToken cancellationToken)
             _api.StaticNodesManager,
             _api.Enode,
             initConfig.BaseDbPath,
-            pruningTrigger);
+            pruningTrigger,
+            getFromApi.ChainSpec.Parameters);
         rpcModuleProvider.RegisterSingle<IAdminRpcModule>(adminRpcModule);
 
         StepDependencyException.ThrowIfNull(_api.TxPoolInfoProvider);
diff --git a/src/Nethermind/Nethermind.JsonRpc.Test/Modules/AdminModuleTests.cs b/src/Nethermind/Nethermind.JsonRpc.Test/Modules/AdminModuleTests.cs
index dc40547d637..c4af338d7fb 100644
--- a/src/Nethermind/Nethermind.JsonRpc.Test/Modules/AdminModuleTests.cs
+++ b/src/Nethermind/Nethermind.JsonRpc.Test/Modules/AdminModuleTests.cs
@@ -15,6 +15,7 @@
 using Nethermind.Network;
 using Nethermind.Network.Config;
 using Nethermind.Serialization.Json;
+using Nethermind.Specs.ChainSpecStyle;
 using Nethermind.Stats.Model;
 using NSubstitute;
 using NUnit.Framework;
@@ -44,6 +45,11 @@ public void Setup()
 
         IStaticNodesManager staticNodesManager = Substitute.For<IStaticNodesManager>();
         Enode enode = new(_enodeString);
+        ChainSpec chainSpec = new()
+        {
+            Parameters = new ChainParameters()
+        };
+
         _adminRpcModule = new AdminRpcModule(
             _blockTree,
             _networkConfig,
@@ -51,7 +57,8 @@ public void Setup()
             staticNodesManager,
             enode,
             _exampleDataDir,
-            new ManualPruningTrigger());
+            new ManualPruningTrigger(),
+            chainSpec.Parameters);
 
         _serializer = new EthereumJsonSerializer();
     }
diff --git a/src/Nethermind/Nethermind.JsonRpc/Modules/Admin/AdminRpcModule.cs b/src/Nethermind/Nethermind.JsonRpc/Modules/Admin/AdminRpcModule.cs
index 86f5fb7cedb..25da270be2a 100644
--- a/src/Nethermind/Nethermind.JsonRpc/Modules/Admin/AdminRpcModule.cs
+++ b/src/Nethermind/Nethermind.JsonRpc/Modules/Admin/AdminRpcModule.cs
@@ -11,12 +11,14 @@
 using Nethermind.Core.Crypto;
 using Nethermind.Network;
 using Nethermind.Network.Config;
+using Nethermind.Specs.ChainSpecStyle;
 using Nethermind.Stats.Model;
 
 namespace Nethermind.JsonRpc.Modules.Admin;
 
 public class AdminRpcModule : IAdminRpcModule
 {
+    private readonly ChainParameters _parameters;
     private readonly IBlockTree _blockTree;
     private readonly INetworkConfig _networkConfig;
     private readonly IPeerPool _peerPool;
@@ -33,7 +35,8 @@ public AdminRpcModule(
         IStaticNodesManager staticNodesManager,
         IEnode enode,
         string dataDir,
-        ManualPruningTrigger pruningTrigger)
+        ManualPruningTrigger pruningTrigger,
+        ChainParameters parameters)
     {
         _enode = enode ?? throw new ArgumentNullException(nameof(enode));
         _dataDir = dataDir ?? throw new ArgumentNullException(nameof(dataDir));
@@ -42,6 +45,7 @@ public AdminRpcModule(
         _networkConfig = networkConfig ?? throw new ArgumentNullException(nameof(networkConfig));
         _staticNodesManager = staticNodesManager ?? throw new ArgumentNullException(nameof(staticNodesManager));
         _pruningTrigger = pruningTrigger;
+        _parameters = parameters ?? throw new ArgumentNullException(nameof(parameters));
 
         BuildNodeInfo();
     }
@@ -71,6 +75,7 @@ private void UpdateEthProtocolInfo()
         _nodeInfo.Protocols["eth"].NewtorkId = _blockTree.ChainId;
         _nodeInfo.Protocols["eth"].HeadHash = _blockTree.HeadHash;
         _nodeInfo.Protocols["eth"].GenesisHash = _blockTree.GenesisHash;
+        _nodeInfo.Protocols["eth"].Config = _parameters;
     }
 
     public async Task<ResultWrapper<string>> admin_addPeer(string enode, bool addToStaticNodes = false)
diff --git a/src/Nethermind/Nethermind.JsonRpc/Modules/Admin/EthProtocolInfo.cs b/src/Nethermind/Nethermind.JsonRpc/Modules/Admin/EthProtocolInfo.cs
index 87024cede4c..228f91c7dda 100644
--- a/src/Nethermind/Nethermind.JsonRpc/Modules/Admin/EthProtocolInfo.cs
+++ b/src/Nethermind/Nethermind.JsonRpc/Modules/Admin/EthProtocolInfo.cs
@@ -3,6 +3,7 @@
 
 using Nethermind.Core.Crypto;
 using Nethermind.Int256;
+using Nethermind.Specs.ChainSpecStyle;
 using System.Text.Json.Serialization;
 
 namespace Nethermind.JsonRpc.Modules.Admin
@@ -17,5 +18,7 @@ public class EthProtocolInfo
         public Hash256 HeadHash { get; set; }
         [JsonPropertyName("network")]
         public ulong NewtorkId { get; set; }
+        [JsonPropertyName("config")]
+        public ChainParameters Config { get; set; }
     }
 }
diff --git a/src/Nethermind/Nethermind.Runner.Test/Ethereum/ContextWithMocks.cs b/src/Nethermind/Nethermind.Runner.Test/Ethereum/ContextWithMocks.cs
index 190f5cfb667..2cbc5284269 100644
--- a/src/Nethermind/Nethermind.Runner.Test/Ethereum/ContextWithMocks.cs
+++ b/src/Nethermind/Nethermind.Runner.Test/Ethereum/ContextWithMocks.cs
@@ -56,7 +56,7 @@ public static class Build
         public static NethermindApi ContextWithMocks()
         {
             var api = new NethermindApi(Substitute.For<IConfigProvider>(), Substitute.For<IJsonSerializer>(), LimboLogs.Instance,
-                new ChainSpec())
+                new ChainSpec { Parameters = new ChainParameters(), })
             {
                 Enode = Substitute.For<IEnode>(),
                 TxPool = Substitute.For<ITxPool>(),