diff --git a/src/client/LibplanetConsole.Client/Commands/TxCommand.cs b/src/client/LibplanetConsole.Client/Commands/TxCommand.cs
index 3689765e..4a03b21c 100644
--- a/src/client/LibplanetConsole.Client/Commands/TxCommand.cs
+++ b/src/client/LibplanetConsole.Client/Commands/TxCommand.cs
@@ -5,7 +5,7 @@
 namespace LibplanetConsole.Client.Commands;
 
 [CommandSummary("Sends a transaction using a string")]
-internal sealed class TxCommand(IClient client, IBlockChain blockChain) : CommandAsyncBase
+internal sealed class TxCommand(IClient client) : CommandAsyncBase
 {
     [CommandPropertyRequired]
     [CommandSummary("Specifies the text to send")]
@@ -17,7 +17,7 @@ protected override async Task OnExecuteAsync(CancellationToken cancellationToken
         {
             Value = Text,
         };
-        await blockChain.SendTransactionAsync([action], cancellationToken);
+        await client.SendTransactionAsync([action], cancellationToken);
         await Out.WriteLineAsync($"{client.Address.ToShortString()}: {Text}");
     }
 }
diff --git a/src/client/LibplanetConsole.Client/IClient.cs b/src/client/LibplanetConsole.Client/IClient.cs
index f52a3f1c..38bdb1d7 100644
--- a/src/client/LibplanetConsole.Client/IClient.cs
+++ b/src/client/LibplanetConsole.Client/IClient.cs
@@ -23,4 +23,6 @@ public interface IClient : IVerifier
     Task StartAsync(CancellationToken cancellationToken);
 
     Task StopAsync(CancellationToken cancellationToken);
+
+    Task<TxId> SendTransactionAsync(IAction[] actions, CancellationToken cancellationToken);
 }
diff --git a/src/console/LibplanetConsole.Console.Executable/EntryCommands/InitializeCommand.cs b/src/console/LibplanetConsole.Console.Executable/EntryCommands/InitializeCommand.cs
index 8a61dafd..9574add2 100644
--- a/src/console/LibplanetConsole.Console.Executable/EntryCommands/InitializeCommand.cs
+++ b/src/console/LibplanetConsole.Console.Executable/EntryCommands/InitializeCommand.cs
@@ -27,6 +27,11 @@ public InitializeCommand()
     [NonNegative]
     public int Port { get; set; }
 
+    [CommandProperty]
+    [CommandSummary("Specifies the private key of the genesis")]
+    [PrivateKey]
+    public string PrivateKey { get; set; } = string.Empty;
+
 #if DEBUG
     [CommandProperty(InitValue = 1)]
 #else
@@ -61,12 +66,6 @@ public InitializeCommand()
     [CommandSummary("If set, the command will not output any information")]
     public bool Quiet { get; set; }
 
-    [CommandProperty]
-    [CommandSummary("Specifies the private key of the genesis block")]
-    [PrivateKey]
-    [Category("Genesis")]
-    public string GenesisKey { get; set; } = string.Empty;
-
     [CommandProperty("timestamp")]
     [CommandSummary("Specifies the timestamp of the genesis block")]
     [Category("Genesis")]
@@ -124,7 +123,7 @@ private async Task<dynamic> ExecuteAsync(CancellationToken cancellationToken)
     {
         using var progress = new CommandProgress();
         var portGenerator = new PortGenerator(Port);
-        var genesisKey = PrivateKeyUtility.ParseOrRandom(GenesisKey);
+        var genesisKey = PrivateKeyUtility.ParseOrRandom(PrivateKey);
         var ports = portGenerator.Next();
         var nodeOptions = GetNodeOptions(portGenerator, ports);
         var clientOptions = GetClientOptions(portGenerator);
@@ -142,6 +141,7 @@ private async Task<dynamic> ExecuteAsync(CancellationToken cancellationToken)
         var apvPrivateKey = PrivateKeyUtility.ParseOrRandom(APVPrivateKey);
         var repository = new Repository(ports, nodeOptions, clientOptions)
         {
+            PrivateKey = genesisKey,
             Port = Port,
             Genesis = Repository.CreateGenesis(genesisOptions),
             AppProtocolVersion = Repository.CreateAppProtocolVersion(
diff --git a/src/console/LibplanetConsole.Console.Executable/EntryCommands/RunCommand.cs b/src/console/LibplanetConsole.Console.Executable/EntryCommands/RunCommand.cs
index f5472a01..4129da26 100644
--- a/src/console/LibplanetConsole.Console.Executable/EntryCommands/RunCommand.cs
+++ b/src/console/LibplanetConsole.Console.Executable/EntryCommands/RunCommand.cs
@@ -1,6 +1,7 @@
 using System.ComponentModel;
 using JSSoft.Commands;
 using LibplanetConsole.Common;
+using LibplanetConsole.Common.DataAnnotations;
 using LibplanetConsole.DataAnnotations;
 using Microsoft.AspNetCore.Server.Kestrel.Core;
 using Microsoft.Extensions.Options;
@@ -22,6 +23,11 @@ internal sealed class RunCommand
     [NonNegative]
     public int Port { get; init; }
 
+    [CommandProperty]
+    [CommandSummary("Specifies the private key for the genesis")]
+    [PrivateKey]
+    public string PrivateKey { get; init; } = string.Empty;
+
 #if DEBUG
     [CommandProperty(InitValue = 1)]
 #else
@@ -111,11 +117,14 @@ void IConfigureOptions<ApplicationOptions>.Configure(ApplicationOptions options)
         var ports = _ports ?? throw new InvalidOperationException("PortGroup is not initialized.");
         var nodeOptions = GetNodeOptions(GetNodes(), portGenerator);
         var clientOptions = GetClientOptions(GetClients(), portGenerator);
+        var privateKey = PrivateKeyUtility.ParseOrRandom(PrivateKey);
         var repository = new Repository(ports, nodeOptions, clientOptions)
         {
+            PrivateKey = privateKey,
             ActionProviderModulePath = ActionProviderModulePath,
             ActionProviderType = ActionProviderType,
         };
+        options.PrivateKey = PrivateKeyUtility.ToString(privateKey);
         options.LogPath = GetFullPath(LogPath);
         options.Nodes = repository.Nodes;
         options.Clients = repository.Clients;
@@ -134,7 +143,7 @@ void IConfigureOptions<ApplicationOptions>.Configure(ApplicationOptions options)
         if (options.Genesis == string.Empty && options.GenesisPath == string.Empty)
         {
             var genesis = repository.CreateGenesis(
-                genesisKey: new PrivateKey(), DateTimeOffset.UtcNow);
+                genesisKey: privateKey, DateTimeOffset.UtcNow);
             options.Genesis = ByteUtil.Hex(genesis);
         }
 
diff --git a/src/console/LibplanetConsole.Console.Executable/Repository.cs b/src/console/LibplanetConsole.Console.Executable/Repository.cs
index 25311309..eb5912e4 100644
--- a/src/console/LibplanetConsole.Console.Executable/Repository.cs
+++ b/src/console/LibplanetConsole.Console.Executable/Repository.cs
@@ -29,6 +29,8 @@ public Repository(PortGroup ports, NodeOptions[] nodes, ClientOptions[] clients)
         Clients = clients;
     }
 
+    public required PrivateKey PrivateKey { get; init; }
+
     public int Port { get; set; }
 
     public NodeOptions[] Nodes { get; } = [];
@@ -187,6 +189,7 @@ public async Task<dynamic> SaveAsync(
         var consensusPort = ConsensusPort is not 0 ? ConsensusPort : _ports[5];
         var applicationOptions = new ApplicationOptions
         {
+            PrivateKey = PrivateKeyUtility.ToString(PrivateKey),
             GenesisPath = PathUtility.GetRelativePath(settingsPath, genesisPath),
             AppProtocolVersionPath = PathUtility.GetRelativePath(
                 settingsPath, appProtocolVersionPath),
diff --git a/src/console/LibplanetConsole.Console/ApplicationOptions.cs b/src/console/LibplanetConsole.Console/ApplicationOptions.cs
index 5c7ce121..5f7925b0 100644
--- a/src/console/LibplanetConsole.Console/ApplicationOptions.cs
+++ b/src/console/LibplanetConsole.Console/ApplicationOptions.cs
@@ -1,5 +1,7 @@
 using System.Text.Json.Serialization;
 using Libplanet.Net;
+using LibplanetConsole.Common;
+using LibplanetConsole.Common.DataAnnotations;
 using LibplanetConsole.Options;
 
 namespace LibplanetConsole.Console;
@@ -11,9 +13,15 @@ public sealed class ApplicationOptions : OptionsBase<ApplicationOptions>, IAppli
     public const int SeedBlocksyncPortIncrement = 6;
     public const int SeedConsensusPortIncrement = 7;
 
+    private PrivateKey? _privateKey;
     private Block? _genesisBlock;
     private AppProtocolVersion? _appProtocolVersion;
 
+    [PrivateKey]
+    public string PrivateKey { get; set; } = string.Empty;
+
+    PrivateKey IApplicationOptions.PrivateKey => ActualPrivateKey;
+
     [JsonIgnore]
     public NodeOptions[] Nodes { get; set; } = [];
 
@@ -54,6 +62,9 @@ AppProtocolVersion IApplicationOptions.AppProtocolVersion
     ProcessOptions? IApplicationOptions.ProcessOptions
         => NoProcess ? null : new ProcessOptions { Detach = Detach, NewWindow = NewWindow, };
 
+    private PrivateKey ActualPrivateKey
+            => _privateKey ??= PrivateKeyUtility.ParseOrRandom(PrivateKey);
+
     private Block GetGenesisBlock()
     {
         if (GenesisPath != string.Empty)
diff --git a/src/console/LibplanetConsole.Console/BlockChain.cs b/src/console/LibplanetConsole.Console/BlockChain.cs
index 80b5d08a..05af28b5 100644
--- a/src/console/LibplanetConsole.Console/BlockChain.cs
+++ b/src/console/LibplanetConsole.Console/BlockChain.cs
@@ -5,16 +5,21 @@
 
 namespace LibplanetConsole.Console;
 
-internal sealed class BlockChain : IBlockChain, IDisposable
+internal sealed class BlockChain : IBlockChain, IDisposable, IConsole
 {
-    private readonly INodeCollection _nodes;
+    private readonly NodeCollection _nodes;
+    private readonly PrivateKey _privateKey;
+    private readonly BlockHash _genesisHash;
     private readonly ILogger<BlockChain> _logger;
     private IBlockChain? _blockChain;
+    private Node? _node;
     private bool _isDisposed;
 
-    public BlockChain(NodeCollection nodes, ILogger<BlockChain> logger)
+    public BlockChain(NodeCollection nodes, IApplicationOptions options, ILogger<BlockChain> logger)
     {
         _nodes = nodes;
+        _privateKey = options.PrivateKey;
+        _genesisHash = options.GenesisBlock.Hash;
         _logger = logger;
         UpdateCurrent(_nodes.Current);
         _nodes.CurrentChanged += Nodes_CurrentChanged;
@@ -41,15 +46,26 @@ void IDisposable.Dispose()
         }
     }
 
-    Task<TxId> IBlockChain.SendTransactionAsync(
+    public async Task<TxId> SendTransactionAsync(
         IAction[] actions, CancellationToken cancellationToken)
     {
-        if (IsRunning is false || _blockChain is null)
+        if (IsRunning is false || _blockChain is null || _node is null)
         {
             throw new InvalidOperationException("BlockChain is not running.");
         }
 
-        return _blockChain.SendTransactionAsync(actions, cancellationToken);
+        var privateKey = _privateKey;
+        var genesisHash = _genesisHash;
+        var nonce = await _blockChain.GetNextNonceAsync(privateKey.Address, cancellationToken);
+        var values = actions.Select(item => item.PlainValue).ToArray();
+        var transaction = Transaction.Create(
+            nonce: nonce,
+            privateKey: privateKey,
+            genesisHash: genesisHash,
+            actions: new TxActionList(values));
+
+        await _node.SendTransactionAsync(transaction, cancellationToken);
+        return transaction.Id;
     }
 
     Task<long> IBlockChain.GetNextNonceAsync(
@@ -128,7 +144,7 @@ Task<T> IBlockChain.GetActionAsync<T>(
         return _blockChain.GetActionAsync<T>(txId, actionIndex, cancellationToken);
     }
 
-    private void UpdateCurrent(INode? node)
+    private void UpdateCurrent(Node? node)
     {
         if (_blockChain is not null)
         {
@@ -144,6 +160,7 @@ private void UpdateCurrent(INode? node)
             }
         }
 
+        _node = node;
         _blockChain = node?.GetKeyedService<IBlockChain>(INode.Key);
 
         if (_blockChain is not null)
diff --git a/src/console/LibplanetConsole.Console/Commands/ClientCommand.cs b/src/console/LibplanetConsole.Console/Commands/ClientCommand.cs
index 97eb13a6..cf5d47fd 100644
--- a/src/console/LibplanetConsole.Console/Commands/ClientCommand.cs
+++ b/src/console/LibplanetConsole.Console/Commands/ClientCommand.cs
@@ -122,9 +122,8 @@ public async Task TxAsync(
     {
         var address = Address;
         var client = clients.GetClientOrCurrent(address);
-        var blockChain = client.GetRequiredService<IBlockChain>();
         var action = new StringAction { Value = text };
-        await blockChain.SendTransactionAsync([action], cancellationToken);
+        await client.SendTransactionAsync([action], cancellationToken);
         await Out.WriteLineAsync($"{client.Address.ToShortString()}: {text}");
     }
 
diff --git a/src/console/LibplanetConsole.Console/Commands/NodeCommand.cs b/src/console/LibplanetConsole.Console/Commands/NodeCommand.cs
index 3c24a614..79e9f519 100644
--- a/src/console/LibplanetConsole.Console/Commands/NodeCommand.cs
+++ b/src/console/LibplanetConsole.Console/Commands/NodeCommand.cs
@@ -116,9 +116,8 @@ public async Task TxAsync(
     {
         var address = Address;
         var node = nodes.GetNodeOrCurrent(address);
-        var blockChain = node.GetRequiredService<IBlockChain>();
         var action = new StringAction { Value = text };
-        await blockChain.SendTransactionAsync([action], cancellationToken);
+        await node.SendTransactionAsync([action], cancellationToken);
         await Out.WriteLineAsync($"{node.Address.ToShortString()}: {text}");
     }
 
diff --git a/src/console/LibplanetConsole.Console/Commands/TxCommand.cs b/src/console/LibplanetConsole.Console/Commands/TxCommand.cs
index 48cda8e9..d0b785f9 100644
--- a/src/console/LibplanetConsole.Console/Commands/TxCommand.cs
+++ b/src/console/LibplanetConsole.Console/Commands/TxCommand.cs
@@ -22,16 +22,14 @@ protected override async Task OnExecuteAsync(CancellationToken cancellationToken
         var text = Text;
         if (addressable is INode node)
         {
-            var blockChain = node.GetRequiredService<IBlockChain>();
             var action = new StringAction { Value = text };
-            await blockChain.SendTransactionAsync([action], cancellationToken);
+            await node.SendTransactionAsync([action], cancellationToken);
             await Out.WriteLineAsync($"{node.Address.ToShortString()}: {text}");
         }
         else if (addressable is IClient client)
         {
-            var blockChain = client.GetRequiredService<IBlockChain>();
             var action = new StringAction { Value = text };
-            await blockChain.SendTransactionAsync([action], cancellationToken);
+            await client.SendTransactionAsync([action], cancellationToken);
             await Out.WriteLineAsync($"{client.Address.ToShortString()}: {text}");
         }
         else
diff --git a/src/console/LibplanetConsole.Console/IApplicationOptions.cs b/src/console/LibplanetConsole.Console/IApplicationOptions.cs
index b49e3342..01b26916 100644
--- a/src/console/LibplanetConsole.Console/IApplicationOptions.cs
+++ b/src/console/LibplanetConsole.Console/IApplicationOptions.cs
@@ -4,6 +4,8 @@ namespace LibplanetConsole.Console;
 
 public interface IApplicationOptions
 {
+    PrivateKey PrivateKey { get; }
+
     NodeOptions[] Nodes { get; }
 
     ClientOptions[] Clients { get; }
diff --git a/src/console/LibplanetConsole.Console/IClient.cs b/src/console/LibplanetConsole.Console/IClient.cs
index b3ea4a77..14c3aced 100644
--- a/src/console/LibplanetConsole.Console/IClient.cs
+++ b/src/console/LibplanetConsole.Console/IClient.cs
@@ -42,4 +42,6 @@ public interface IClient : IAddressable, IAsyncDisposable, IKeyedServiceProvider
     Task StopAsync(CancellationToken cancellationToken);
 
     string GetCommandLine();
+
+    Task<TxId> SendTransactionAsync(IAction[] actions, CancellationToken cancellationToken);
 }
diff --git a/src/console/LibplanetConsole.Console/IConsole.cs b/src/console/LibplanetConsole.Console/IConsole.cs
new file mode 100644
index 00000000..9417a624
--- /dev/null
+++ b/src/console/LibplanetConsole.Console/IConsole.cs
@@ -0,0 +1,9 @@
+using LibplanetConsole.Common;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace LibplanetConsole.Console;
+
+public interface IConsole
+{
+    Task<TxId> SendTransactionAsync(IAction[] actions, CancellationToken cancellationToken);
+}
diff --git a/src/console/LibplanetConsole.Console/INode.cs b/src/console/LibplanetConsole.Console/INode.cs
index eb348366..16432bf9 100644
--- a/src/console/LibplanetConsole.Console/INode.cs
+++ b/src/console/LibplanetConsole.Console/INode.cs
@@ -42,4 +42,6 @@ public interface INode : IAddressable, IAsyncDisposable, IKeyedServiceProvider,
     Task StopAsync(CancellationToken cancellationToken);
 
     string GetCommandLine();
+
+    Task<TxId> SendTransactionAsync(IAction[] actions, CancellationToken cancellationToken);
 }
diff --git a/src/console/LibplanetConsole.Console/Node.BlockChain.cs b/src/console/LibplanetConsole.Console/Node.BlockChain.cs
index 84dbd459..6714bb48 100644
--- a/src/console/LibplanetConsole.Console/Node.BlockChain.cs
+++ b/src/console/LibplanetConsole.Console/Node.BlockChain.cs
@@ -55,6 +55,22 @@ public async Task<TxId> SendTransactionAsync(
         return ToTxId(response.TxId);
     }
 
+    public async Task SendTransactionAsync(
+        Transaction transaction, CancellationToken cancellationToken)
+    {
+        if (_blockChainService is null)
+        {
+            throw new InvalidOperationException("BlockChainService is not initialized.");
+        }
+
+        var request = new SendTransactionRequest
+        {
+            TransactionData = ToGrpc(transaction.Serialize()),
+        };
+        var callOptions = new CallOptions(cancellationToken: cancellationToken);
+        await _blockChainService.SendTransactionAsync(request, callOptions);
+    }
+
     public async Task<BlockHash> GetTipHashAsync(CancellationToken cancellationToken)
     {
         if (_blockChainService is null)
diff --git a/src/console/LibplanetConsole.Console/ServiceCollectionExtensions.cs b/src/console/LibplanetConsole.Console/ServiceCollectionExtensions.cs
index c0f7d710..043faeb1 100644
--- a/src/console/LibplanetConsole.Console/ServiceCollectionExtensions.cs
+++ b/src/console/LibplanetConsole.Console/ServiceCollectionExtensions.cs
@@ -32,7 +32,8 @@ public static IServiceCollection AddConsole(
         @this.AddSingleton<ClientCollection>()
             .AddSingleton<IClientCollection>(s => s.GetRequiredService<ClientCollection>());
         @this.AddSingleton<BlockChain>()
-            .AddSingleton<IBlockChain>(s => s.GetRequiredService<BlockChain>());
+            .AddSingleton<IBlockChain>(s => s.GetRequiredService<BlockChain>())
+            .AddSingleton<IConsole>(s => s.GetRequiredService<BlockChain>());
         @this.AddSingleton<ApplicationInfoProvider>()
             .AddSingleton<IInfoProvider>(s => s.GetRequiredService<ApplicationInfoProvider>());
 
diff --git a/src/node/LibplanetConsole.Node/ActionProvider.cs b/src/node/LibplanetConsole.Node/ActionProvider.cs
index 76555237..c6fb3ec8 100644
--- a/src/node/LibplanetConsole.Node/ActionProvider.cs
+++ b/src/node/LibplanetConsole.Node/ActionProvider.cs
@@ -18,7 +18,7 @@ internal sealed class ActionProvider : IActionProvider
 
     public ImmutableArray<IAction> EndTxActions { get; } = [];
 
-    public IAction[] GetGenesisActions(PrivateKey genesisKey, PublicKey[] validatorKeys)
+    public IAction[] GetGenesisActions(Address genesisAddress, PublicKey[] validatorKeys)
     {
         var validators = validatorKeys
             .Select(item => new Validator(item, BigInteger.One))
diff --git a/src/node/LibplanetConsole.Node/BlockUtility.cs b/src/node/LibplanetConsole.Node/BlockUtility.cs
index ab0bf778..3ab49f0d 100644
--- a/src/node/LibplanetConsole.Node/BlockUtility.cs
+++ b/src/node/LibplanetConsole.Node/BlockUtility.cs
@@ -9,12 +9,13 @@ public static Block CreateGenesisBlock(
         GenesisOptions genesisOptions)
     {
         var genesisKey = genesisOptions.GenesisKey;
+        var genesisAddress = genesisKey.Address;
         var validators = genesisOptions.Validators;
         var timestamp = genesisOptions.Timestamp;
         var actionLoaderProvider = ModuleLoader.LoadActionLoader(
             genesisOptions.ActionProviderModulePath,
             genesisOptions.ActionProviderType);
-        var actions = actionLoaderProvider.GetGenesisActions(genesisKey, validators);
+        var actions = actionLoaderProvider.GetGenesisActions(genesisAddress, validators);
         var genesisBlock = CreateGenesisBlock(genesisKey, timestamp, actions);
 
         return genesisBlock;
diff --git a/src/node/LibplanetConsole.Node/Commands/TxCommand.cs b/src/node/LibplanetConsole.Node/Commands/TxCommand.cs
index c7e4132c..d85680da 100644
--- a/src/node/LibplanetConsole.Node/Commands/TxCommand.cs
+++ b/src/node/LibplanetConsole.Node/Commands/TxCommand.cs
@@ -5,7 +5,7 @@
 namespace LibplanetConsole.Node.Commands;
 
 [CommandSummary("Sends a transaction using a string")]
-internal sealed class TxCommand(INode node, IBlockChain blockChain) : CommandAsyncBase
+internal sealed class TxCommand(INode node) : CommandAsyncBase
 {
     [CommandPropertyRequired]
     [CommandSummary("Specifies the text to send")]
@@ -17,7 +17,7 @@ protected override async Task OnExecuteAsync(CancellationToken cancellationToken
         {
             Value = Text,
         };
-        await blockChain.SendTransactionAsync([action], cancellationToken);
+        await node.SendTransactionAsync([action], cancellationToken);
         await Out.WriteLineAsync($"{node.Address.ToShortString()}: {Text}");
     }
 }
diff --git a/src/node/LibplanetConsole.Node/IActionProvider.cs b/src/node/LibplanetConsole.Node/IActionProvider.cs
index 72d2342c..36753ca5 100644
--- a/src/node/LibplanetConsole.Node/IActionProvider.cs
+++ b/src/node/LibplanetConsole.Node/IActionProvider.cs
@@ -12,7 +12,7 @@ public interface IActionProvider
 
     ImmutableArray<IAction> EndTxActions { get; }
 
-    IAction[] GetGenesisActions(PrivateKey genesisKey, PublicKey[] validatorKeys);
+    IAction[] GetGenesisActions(Address genesisAddress, PublicKey[] validatorKeys);
 
     IActionLoader GetActionLoader();
 }
diff --git a/src/node/LibplanetConsole.Node/Services/NodeGrpcServiceV1.cs b/src/node/LibplanetConsole.Node/Services/NodeGrpcServiceV1.cs
index c6a9d7a1..704b7f3e 100644
--- a/src/node/LibplanetConsole.Node/Services/NodeGrpcServiceV1.cs
+++ b/src/node/LibplanetConsole.Node/Services/NodeGrpcServiceV1.cs
@@ -15,9 +15,7 @@ internal sealed class NodeGrpcServiceV1 : NodeGrpcService.NodeGrpcServiceBase, I
     private bool _isDisposed;
 
     public NodeGrpcServiceV1(
-        IHostApplicationLifetime applicationLifetime,
-        Node node,
-        ILogger<NodeGrpcServiceV1> logger)
+        IHostApplicationLifetime applicationLifetime, Node node, ILogger<NodeGrpcServiceV1> logger)
     {
         _applicationLifetime = applicationLifetime;
         _node = node;
diff --git a/src/shared/LibplanetConsole.Blockchain/IBlockChain.cs b/src/shared/LibplanetConsole.Blockchain/IBlockChain.cs
index 4ff765a1..17116be1 100644
--- a/src/shared/LibplanetConsole.Blockchain/IBlockChain.cs
+++ b/src/shared/LibplanetConsole.Blockchain/IBlockChain.cs
@@ -22,8 +22,6 @@ public interface IBlockChain
 
     BlockInfo Tip { get; }
 
-    Task<TxId> SendTransactionAsync(IAction[] actions, CancellationToken cancellationToken);
-
     Task<long> GetNextNonceAsync(Address address, CancellationToken cancellationToken);
 
     Task<IValue> GetStateAsync(