diff --git a/README.md b/README.md
index 000c2d3..a52706e 100644
--- a/README.md
+++ b/README.md
@@ -147,7 +147,7 @@ let buy_params = sol_trade_sdk::TradeBuyParams {
   mint: mint_pubkey,
   sol_amount: buy_sol_amount,
   slippage_basis_points: slippage_basis_points,
-  recent_blockhash: recent_blockhash,
+  recent_blockhash: Some(recent_blockhash),
   extension_params: Box::new(params.clone()),
   lookup_table_key: None,
   wait_transaction_confirmed: true,
@@ -225,7 +225,7 @@ let nextblock_config = SwqosConfig::NextBlock(
 - If no custom URL is provided (`None`), the system will use the default endpoint for the specified `SwqosRegion`
 - This allows for maximum flexibility while maintaining backward compatibility 
 
-When using multiple MEV services, you need to use `Durable Nonce`. You need to initialize a `NonceCache` class (or write your own nonce management class), get the latest `nonce` value, and use it as the `nonce_account` and `current_nonce` when trading.
+When using multiple MEV services, you need to use `Durable Nonce`. You need to initialize a `NonceCache` class (or write your own nonce management class), get the latest `nonce` value, and use it as the `durable_nonce` when trading.
 
 ---
 
diff --git a/README_CN.md b/README_CN.md
index a9865e2..59f163f 100755
--- a/README_CN.md
+++ b/README_CN.md
@@ -148,7 +148,7 @@ let buy_params = sol_trade_sdk::TradeBuyParams {
   mint: mint_pubkey,
   sol_amount: buy_sol_amount,
   slippage_basis_points: slippage_basis_points,
-  recent_blockhash: recent_blockhash,
+  recent_blockhash: Some(recent_blockhash),
   extension_params: Box::new(params.clone()),
   lookup_table_key: None,
   wait_transaction_confirmed: true,
@@ -226,7 +226,7 @@ let nextblock_config = SwqosConfig::NextBlock(
 - 如果没有提供自定义 URL（`None`），系统将使用指定 `SwqosRegion` 的默认端点
 - 这提供了最大的灵活性，同时保持向后兼容性
 
-当使用多个MEV服务时，需要使用`Durable Nonce`。你需要初始化`NonceCache`类（或者自行写一个管理nonce的类），获取最新的`nonce`值，并在交易的时候将`nonce_account`和`current_nonce`填入交易参数。
+当使用多个MEV服务时，需要使用`Durable Nonce`。你需要初始化`NonceCache`类（或者自行写一个管理nonce的类），获取最新的`nonce`值，并在交易的时候将`durable_nonce`填入交易参数。
 
 ---
 
diff --git a/docs/ADDRESS_LOOKUP_TABLE.md b/docs/ADDRESS_LOOKUP_TABLE.md
index 8d6fdae..d1e72e4 100644
--- a/docs/ADDRESS_LOOKUP_TABLE.md
+++ b/docs/ADDRESS_LOOKUP_TABLE.md
@@ -52,7 +52,7 @@ let buy_params = sol_trade_sdk::TradeBuyParams {
     mint: mint_pubkey,
     sol_amount: buy_sol_amount,
     slippage_basis_points: Some(100),
-    recent_blockhash: recent_blockhash,
+    recent_blockhash: Some(recent_blockhash),
     extension_params: Box::new(PumpFunParams::from_trade(&trade_info, None)),
     lookup_table_key: Some(lookup_table_key), // Include lookup table
     wait_transaction_confirmed: true,
diff --git a/docs/ADDRESS_LOOKUP_TABLE_CN.md b/docs/ADDRESS_LOOKUP_TABLE_CN.md
index 4f9ad0f..71aaf7b 100644
--- a/docs/ADDRESS_LOOKUP_TABLE_CN.md
+++ b/docs/ADDRESS_LOOKUP_TABLE_CN.md
@@ -52,7 +52,7 @@ let buy_params = sol_trade_sdk::TradeBuyParams {
     mint: mint_pubkey,
     sol_amount: buy_sol_amount,
     slippage_basis_points: Some(100),
-    recent_blockhash: recent_blockhash,
+    recent_blockhash: Some(recent_blockhash),
     extension_params: Box::new(PumpFunParams::from_trade(&trade_info, None)),
     lookup_table_key: Some(lookup_table_key), // 包含查找表
     wait_transaction_confirmed: true,
diff --git a/docs/NONCE_CACHE.md b/docs/NONCE_CACHE.md
index 6e14ece..735ee4a 100644
--- a/docs/NONCE_CACHE.md
+++ b/docs/NONCE_CACHE.md
@@ -42,15 +42,12 @@ Get the latest nonce information from RPC:
 NonceCache::get_instance().fetch_nonce_info_use_rpc(&client.rpc).await?;
 // Or manually manage nonce
 // NonceCache::get_instance().update_nonce_info_partial(nonce_account, current_nonce, used);
-let nonce_info = NonceCache::get_instance().get_nonce_info();
-let current_nonce = nonce_info.current_nonce;
-let nonce_account = nonce_info.nonce_account;
-println!("Current nonce: {}", current_nonce);
+let durable_nonce = NonceCache::get_durable_nonce_info();
 ```
 
 ### 3. Use Nonce in Transactions
 
-Set nonce parameters: nonce_account and current_nonce
+Set nonce parameters: durable_nonce
 
 ```rust
 let buy_params = sol_trade_sdk::TradeBuyParams {
@@ -58,7 +55,7 @@ let buy_params = sol_trade_sdk::TradeBuyParams {
     mint: mint_pubkey,
     sol_amount: buy_sol_amount,
     slippage_basis_points: Some(100),
-    recent_blockhash: recent_blockhash,
+    recent_blockhash: Some(recent_blockhash),
     extension_params: Box::new(PumpFunParams::from_trade(&trade_info, None)),
     lookup_table_key: None,
     wait_transaction_confirmed: true,
@@ -66,8 +63,7 @@ let buy_params = sol_trade_sdk::TradeBuyParams {
     close_wsol_ata: false,
     create_mint_ata: true,
     open_seed_optimize: false,
-    nonce_account: nonce_account, // Set nonce account
-    current_nonce: Some(current_nonce), // Set nonce value
+    durable_nonce: Some(durable_nonce), // Set durable nonce
 };
 
 // Execute transaction
diff --git a/docs/NONCE_CACHE_CN.md b/docs/NONCE_CACHE_CN.md
index be1d7aa..36f8b5e 100644
--- a/docs/NONCE_CACHE_CN.md
+++ b/docs/NONCE_CACHE_CN.md
@@ -42,15 +42,12 @@ NonceCache::get_instance().init(Some(nonce_account_str.to_string()));
 NonceCache::get_instance().fetch_nonce_info_use_rpc(&client.rpc).await?;
 // 或者手动管理nonce
 // NonceCache::get_instance().update_nonce_info_partial(nonce_account, current_nonce, used);
-let nonce_info = NonceCache::get_instance().get_nonce_info();
-let current_nonce = nonce_info.current_nonce;
-let nonce_account = nonce_info.nonce_account;
-println!("Current nonce: {}", current_nonce);
+let durable_nonce = NonceCache::get_durable_nonce_info();
 ```
 
 ### 3. 在交易中使用 Nonce
 
-设置 nonce 参数：nonce_account 和 recent_nonce
+设置 nonce 参数：durable_nonce
 
 ```rust
 let buy_params = sol_trade_sdk::TradeBuyParams {
@@ -58,7 +55,7 @@ let buy_params = sol_trade_sdk::TradeBuyParams {
     mint: mint_pubkey,
     sol_amount: buy_sol_amount,
     slippage_basis_points: Some(100),
-    recent_blockhash: recent_blockhash,
+    recent_blockhash: Some(recent_blockhash),
     extension_params: Box::new(PumpFunParams::from_trade(&trade_info, None)),
     lookup_table_key: None,
     wait_transaction_confirmed: true,
@@ -66,8 +63,7 @@ let buy_params = sol_trade_sdk::TradeBuyParams {
     close_wsol_ata: false,
     create_mint_ata: true,
     open_seed_optimize: false,
-    nonce_account: nonce_account, // 设置 nonce 账户
-    current_nonce: Some(current_nonce), // 设置 nonce 值
+    durable_nonce: Some(durable_nonce), // 设置 durable nonce
 };
 
 // 执行交易
diff --git a/docs/TRADING_PARAMETERS.md b/docs/TRADING_PARAMETERS.md
index 86be6d3..a9df819 100644
--- a/docs/TRADING_PARAMETERS.md
+++ b/docs/TRADING_PARAMETERS.md
@@ -21,7 +21,7 @@ The `TradeBuyParams` struct contains all parameters required for executing buy o
 | `mint` | `Pubkey` | ✅ | The public key of the token mint to purchase |
 | `sol_amount` | `u64` | ✅ | Amount of SOL to spend (in lamports) |
 | `slippage_basis_points` | `Option<u64>` | ❌ | Slippage tolerance in basis points (e.g., 100 = 1%, 500 = 5%) |
-| `recent_blockhash` | `Hash` | ✅ | Recent blockhash for transaction validity |
+| `recent_blockhash` | `Option<Hash>` | ❌ | Recent blockhash for transaction validity |
 | `extension_params` | `Box<dyn ProtocolParams>` | ✅ | Protocol-specific parameters (PumpFunParams, PumpSwapParams, etc.) |
 
 ### Advanced Configuration Parameters
@@ -34,8 +34,7 @@ The `TradeBuyParams` struct contains all parameters required for executing buy o
 | `close_wsol_ata` | `bool` | ✅ | Whether to close wSOL ATA after transaction |
 | `create_mint_ata` | `bool` | ✅ | Whether to create token mint ATA |
 | `open_seed_optimize` | `bool` | ✅ | Whether to use seed optimization for reduced CU consumption |
-| `nonce_account` | `Option<Pubkey>` | ❌ | nonce account |
-| `current_nonce` | `Option<u64>` | ❌ | nonce value |
+| `durable_nonce` | `Option<DurableNonceInfo>` | ❌ | Durable nonce information containing nonce account and current nonce value |
 
 
 ## TradeSellParams
@@ -50,7 +49,7 @@ The `TradeSellParams` struct contains all parameters required for executing sell
 | `mint` | `Pubkey` | ✅ | The public key of the token mint to sell |
 | `token_amount` | `u64` | ✅ | Amount of tokens to sell (in smallest token units) |
 | `slippage_basis_points` | `Option<u64>` | ❌ | Slippage tolerance in basis points (e.g., 100 = 1%, 500 = 5%) |
-| `recent_blockhash` | `Hash` | ✅ | Recent blockhash for transaction validity |
+| `recent_blockhash` | `Option<Hash>` | ❌ | Recent blockhash for transaction validity |
 | `with_tip` | `bool` | ✅ | Whether to include tip in the transaction |
 | `extension_params` | `Box<dyn ProtocolParams>` | ✅ | Protocol-specific parameters (PumpFunParams, PumpSwapParams, etc.) |
 
@@ -63,8 +62,7 @@ The `TradeSellParams` struct contains all parameters required for executing sell
 | `create_wsol_ata` | `bool` | ✅ | Whether to create wSOL Associated Token Account |
 | `close_wsol_ata` | `bool` | ✅ | Whether to close wSOL ATA after transaction |
 | `open_seed_optimize` | `bool` | ✅ | Whether to use seed optimization for reduced CU consumption |
-| `nonce_account` | `Option<Pubkey>` | ❌ | nonce account |
-| `current_nonce` | `Option<u64>` | ❌ | nonce value |
+| `durable_nonce` | `Option<DurableNonceInfo>` | ❌ | Durable nonce information containing nonce account and current nonce value |
 
 
 ## Parameter Categories
@@ -102,9 +100,8 @@ These parameters enable advanced optimizations:
 
 ### 🔄 Optional Parameters
 
-When you need to use durable nonce, you need to fill in these two parameters:
-- **nonce_account**: nonce account
-- **current_nonce**: nonce value
+When you need to use durable nonce, you need to fill in this parameter:
+- **durable_nonce**: Durable nonce information containing nonce account and current nonce value
 
 ## Important Notes
 
diff --git a/docs/TRADING_PARAMETERS_CN.md b/docs/TRADING_PARAMETERS_CN.md
index ab45e8e..de2c1a9 100644
--- a/docs/TRADING_PARAMETERS_CN.md
+++ b/docs/TRADING_PARAMETERS_CN.md
@@ -21,7 +21,7 @@
 | `mint` | `Pubkey` | ✅ | 要购买的代币 mint 公钥 |
 | `sol_amount` | `u64` | ✅ | 要花费的 SOL 数量（以 lamports 为单位） |
 | `slippage_basis_points` | `Option<u64>` | ❌ | 滑点容忍度（基点单位，例如 100 = 1%, 500 = 5%） |
-| `recent_blockhash` | `Hash` | ✅ | 用于交易有效性的最新区块哈希 |
+| `recent_blockhash` | `Option<Hash>` | ❌ | 用于交易有效性的最新区块哈希 |
 | `extension_params` | `Box<dyn ProtocolParams>` | ✅ | 协议特定参数 (PumpFunParams, PumpSwapParams 等) |
 
 ### 高级配置参数
@@ -34,8 +34,7 @@
 | `close_wsol_ata` | `bool` | ✅ | 交易后是否关闭 wSOL ATA |
 | `create_mint_ata` | `bool` | ✅ | 是否创建代币 mint ATA |
 | `open_seed_optimize` | `bool` | ✅ | 是否使用 seed 优化以减少 CU 消耗 |
-| `nonce_account` | `Option<Pubkey>` | ❌ | nonce 账户 |
-| `current_nonce` | `Option<u64>` | ❌ | nonce 值 |
+| `durable_nonce` | `Option<DurableNonceInfo>` | ❌ | 持久 nonce 信息，包含 nonce 账户和当前 nonce 值 |
 
 
 ## TradeSellParams
@@ -50,7 +49,7 @@
 | `mint` | `Pubkey` | ✅ | 要出售的代币 mint 公钥 |
 | `token_amount` | `u64` | ✅ | 要出售的代币数量（最小代币单位） |
 | `slippage_basis_points` | `Option<u64>` | ❌ | 滑点容忍度（基点单位，例如 100 = 1%, 500 = 5%） |
-| `recent_blockhash` | `Hash` | ✅ | 用于交易有效性的最新区块哈希 |
+| `recent_blockhash` | `Option<Hash>` | ❌ | 用于交易有效性的最新区块哈希 |
 | `with_tip` | `bool` | ✅ | 交易中是否包含小费 |
 | `extension_params` | `Box<dyn ProtocolParams>` | ✅ | 协议特定参数 (PumpFunParams, PumpSwapParams 等) |
 
@@ -63,8 +62,7 @@
 | `create_wsol_ata` | `bool` | ✅ | 是否创建 wSOL 关联代币账户 |
 | `close_wsol_ata` | `bool` | ✅ | 交易后是否关闭 wSOL ATA |
 | `open_seed_optimize` | `bool` | ✅ | 是否使用 seed 优化以减少 CU 消耗 |
-| `nonce_account` | `Option<Pubkey>` | ❌ | nonce 账户 |
-| `current_nonce` | `Option<u64>` | ❌ | nonce 值 |
+| `durable_nonce` | `Option<DurableNonceInfo>` | ❌ | 持久 nonce 信息，包含 nonce 账户和当前 nonce 值 |
 
 
 ## 参数分类
@@ -102,9 +100,8 @@
 
 ### 🔄 非必填参数
 
-当你需要使用 durable nonce 时，需要填入这两个参数：
-- **nonce_account**: nonce 账户
-- **current_nonce**: nonce 值
+当你需要使用 durable nonce 时，需要填入这个参数：
+- **durable_nonce**: 持久 nonce 信息，包含 nonce 账户和当前 nonce 值
 
 ## 重要说明
 
diff --git a/examples/address_lookup/src/main.rs b/examples/address_lookup/src/main.rs
index 35fb1a9..5e2216e 100644
--- a/examples/address_lookup/src/main.rs
+++ b/examples/address_lookup/src/main.rs
@@ -152,7 +152,7 @@ async fn pumpfun_copy_trade_with_grpc(trade_info: PumpFunTradeEvent) -> AnyResul
         mint: mint_pubkey,
         sol_amount: buy_sol_amount,
         slippage_basis_points: slippage_basis_points,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         extension_params: Box::new(PumpFunParams::from_trade(&trade_info, None)),
         lookup_table_key: Some(lookup_table_key), // you still need to update the AddressLookupTableCache
         wait_transaction_confirmed: true,
@@ -160,8 +160,7 @@ async fn pumpfun_copy_trade_with_grpc(trade_info: PumpFunTradeEvent) -> AnyResul
         close_wsol_ata: false,
         create_mint_ata: true,
         open_seed_optimize: false,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     client.buy(buy_params).await?;
 
diff --git a/examples/bonk_copy_trading/src/main.rs b/examples/bonk_copy_trading/src/main.rs
index 9efd22b..e80c2e1 100644
--- a/examples/bonk_copy_trading/src/main.rs
+++ b/examples/bonk_copy_trading/src/main.rs
@@ -140,7 +140,7 @@ async fn bonk_copy_trade_with_grpc(trade_info: BonkTradeEvent) -> AnyResult<()>
         mint: mint_pubkey,
         sol_amount: buy_sol_amount,
         slippage_basis_points: slippage_basis_points,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         extension_params: Box::new(BonkParams::from_trade(trade_info.clone())),
         lookup_table_key: None,
         wait_transaction_confirmed: true,
@@ -148,8 +148,7 @@ async fn bonk_copy_trade_with_grpc(trade_info: BonkTradeEvent) -> AnyResult<()>
         close_wsol_ata: true,
         create_mint_ata: true,
         open_seed_optimize: false,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     client.buy(buy_params).await?;
 
@@ -169,7 +168,7 @@ async fn bonk_copy_trade_with_grpc(trade_info: BonkTradeEvent) -> AnyResult<()>
         mint: mint_pubkey,
         token_amount: amount_token,
         slippage_basis_points: slippage_basis_points,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         extension_params: Box::new(BonkParams::from_trade(trade_info.clone())),
         lookup_table_key: None,
         wait_transaction_confirmed: true,
@@ -177,8 +176,7 @@ async fn bonk_copy_trade_with_grpc(trade_info: BonkTradeEvent) -> AnyResult<()>
         close_wsol_ata: true,
         open_seed_optimize: false,
         with_tip: false,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     client.sell(sell_params).await?;
 
diff --git a/examples/bonk_sniper_trading/src/main.rs b/examples/bonk_sniper_trading/src/main.rs
index a197988..acbd815 100644
--- a/examples/bonk_sniper_trading/src/main.rs
+++ b/examples/bonk_sniper_trading/src/main.rs
@@ -103,7 +103,7 @@ async fn bonk_sniper_trade_with_shreds(trade_info: BonkTradeEvent) -> AnyResult<
         mint: mint_pubkey,
         sol_amount: buy_sol_amount,
         slippage_basis_points: slippage_basis_points,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         extension_params: Box::new(BonkParams::from_dev_trade(trade_info.clone())),
         lookup_table_key: None,
         wait_transaction_confirmed: true,
@@ -111,8 +111,7 @@ async fn bonk_sniper_trade_with_shreds(trade_info: BonkTradeEvent) -> AnyResult<
         close_wsol_ata: true,
         create_mint_ata: true,
         open_seed_optimize: false,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     client.buy(buy_params).await?;
 
@@ -132,7 +131,7 @@ async fn bonk_sniper_trade_with_shreds(trade_info: BonkTradeEvent) -> AnyResult<
         mint: mint_pubkey,
         token_amount: amount_token,
         slippage_basis_points: slippage_basis_points,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         extension_params: Box::new(BonkParams::immediate_sell(
             trade_info.base_token_program,
             trade_info.platform_config,
@@ -145,8 +144,7 @@ async fn bonk_sniper_trade_with_shreds(trade_info: BonkTradeEvent) -> AnyResult<
         close_wsol_ata: true,
         open_seed_optimize: false,
         with_tip: false,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     client.sell(sell_params).await?;
 
diff --git a/examples/cli_trading/src/main.rs b/examples/cli_trading/src/main.rs
index cb1aae1..371a805 100644
--- a/examples/cli_trading/src/main.rs
+++ b/examples/cli_trading/src/main.rs
@@ -608,7 +608,7 @@ async fn handle_buy_pumpfun(
         mint: mint_pubkey,
         sol_amount: sol_lamports,
         slippage_basis_points: slippage,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         extension_params: Box::new(param),
         lookup_table_key: None,
         wait_transaction_confirmed: true,
@@ -616,8 +616,7 @@ async fn handle_buy_pumpfun(
         close_wsol_ata: false,
         create_mint_ata: create_mint_ata,
         open_seed_optimize: use_seed,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     match client.buy(buy_params).await {
         Ok(signature) => {
@@ -657,7 +656,7 @@ async fn handle_buy_pumpswap(
         mint: mint_pubkey,
         sol_amount: sol_lamports,
         slippage_basis_points: slippage,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         extension_params: Box::new(param),
         lookup_table_key: None,
         wait_transaction_confirmed: true,
@@ -665,8 +664,7 @@ async fn handle_buy_pumpswap(
         close_wsol_ata: false,
         create_mint_ata: create_mint_ata,
         open_seed_optimize: use_seed,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     match client.buy(buy_params).await {
         Ok(signature) => {
@@ -705,7 +703,7 @@ async fn handle_buy_bonk(
         mint: mint_pubkey,
         sol_amount: sol_lamports,
         slippage_basis_points: slippage,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         extension_params: Box::new(param),
         lookup_table_key: None,
         wait_transaction_confirmed: true,
@@ -713,8 +711,7 @@ async fn handle_buy_bonk(
         close_wsol_ata: false,
         create_mint_ata: create_mint_ata,
         open_seed_optimize: use_seed,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     match client.buy(buy_params).await {
         Ok(signature) => {
@@ -757,7 +754,7 @@ async fn handle_buy_raydium_v4(
         mint: mint_pubkey,
         sol_amount: sol_lamports,
         slippage_basis_points: slippage,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         extension_params: Box::new(param),
         lookup_table_key: None,
         wait_transaction_confirmed: true,
@@ -765,8 +762,7 @@ async fn handle_buy_raydium_v4(
         close_wsol_ata: false,
         create_mint_ata: create_mint_ata,
         open_seed_optimize: use_seed,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     match client.buy(buy_params).await {
         Ok(signature) => {
@@ -809,7 +805,7 @@ async fn handle_buy_raydium_cpmm(
         mint: mint_pubkey,
         sol_amount: sol_lamports,
         slippage_basis_points: slippage,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         extension_params: Box::new(param),
         lookup_table_key: None,
         wait_transaction_confirmed: true,
@@ -817,8 +813,7 @@ async fn handle_buy_raydium_cpmm(
         close_wsol_ata: false,
         create_mint_ata: create_mint_ata,
         open_seed_optimize: use_seed,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     match client.buy(buy_params).await {
         Ok(signature) => {
@@ -971,7 +966,7 @@ async fn handle_sell_pumpfun(
         mint: mint_pubkey,
         token_amount: amount as u64,
         slippage_basis_points: slippage,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         with_tip: false,
         extension_params: Box::new(param),
         lookup_table_key: None,
@@ -979,8 +974,7 @@ async fn handle_sell_pumpfun(
         create_wsol_ata: true,
         close_wsol_ata: false,
         open_seed_optimize: use_seed,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
 
     match client.sell(sell_params).await {
@@ -1023,7 +1017,7 @@ async fn handle_sell_pumpswap(
         mint: mint_pubkey,
         token_amount: amount as u64,
         slippage_basis_points: slippage,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         with_tip: false,
         extension_params: Box::new(param),
         lookup_table_key: None,
@@ -1031,8 +1025,7 @@ async fn handle_sell_pumpswap(
         create_wsol_ata: true,
         close_wsol_ata: false,
         open_seed_optimize: use_seed,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     match client.sell(sell_params).await {
         Ok(signature) => {
@@ -1074,7 +1067,7 @@ async fn handle_sell_bonk(
         mint: mint_pubkey,
         token_amount: amount as u64,
         slippage_basis_points: slippage,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         with_tip: false,
         extension_params: Box::new(param),
         lookup_table_key: None,
@@ -1082,8 +1075,7 @@ async fn handle_sell_bonk(
         create_wsol_ata: true,
         close_wsol_ata: false,
         open_seed_optimize: use_seed,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     match client.sell(sell_params).await {
         Ok(signature) => {
@@ -1128,7 +1120,7 @@ async fn handle_sell_raydium_v4(
         mint: mint_pubkey,
         token_amount: amount as u64,
         slippage_basis_points: slippage,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         with_tip: false,
         extension_params: Box::new(param),
         lookup_table_key: None,
@@ -1136,8 +1128,7 @@ async fn handle_sell_raydium_v4(
         create_wsol_ata: true,
         close_wsol_ata: false,
         open_seed_optimize: use_seed,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     match client.sell(sell_params).await {
         Ok(signature) => {
@@ -1182,7 +1173,7 @@ async fn handle_sell_raydium_cpmm(
         mint: mint_pubkey,
         token_amount: amount as u64,
         slippage_basis_points: slippage,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         with_tip: false,
         extension_params: Box::new(param),
         lookup_table_key: None,
@@ -1190,8 +1181,7 @@ async fn handle_sell_raydium_cpmm(
         create_wsol_ata: true,
         close_wsol_ata: false,
         open_seed_optimize: use_seed,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     match client.sell(sell_params).await {
         Ok(signature) => {
diff --git a/examples/middleware_system/src/main.rs b/examples/middleware_system/src/main.rs
index 82f8fb5..a2f7b60 100644
--- a/examples/middleware_system/src/main.rs
+++ b/examples/middleware_system/src/main.rs
@@ -89,7 +89,7 @@ async fn test_middleware() -> AnyResult<()> {
         mint: mint_pubkey,
         sol_amount: buy_sol_cost,
         slippage_basis_points: slippage_basis_points,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         extension_params: Box::new(
             PumpSwapParams::from_pool_address_by_rpc(&client.rpc, &pool_address).await?,
         ),
@@ -99,8 +99,7 @@ async fn test_middleware() -> AnyResult<()> {
         close_wsol_ata: true,
         create_mint_ata: true,
         open_seed_optimize: false,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     client.buy(buy_params).await?;
     println!("tip: This transaction will not succeed because we're using a test account. You can modify the code to initialize the payer with your own private key");
diff --git a/examples/nonce_cache/src/main.rs b/examples/nonce_cache/src/main.rs
index 3d22aa7..f55b644 100644
--- a/examples/nonce_cache/src/main.rs
+++ b/examples/nonce_cache/src/main.rs
@@ -125,9 +125,7 @@ async fn pumpfun_copy_trade_with_grpc(trade_info: PumpFunTradeEvent) -> AnyResul
     let nonce_account_str = "use_your_nonce_account_here";
     NonceCache::get_instance().init(Some(nonce_account_str.to_string()));
     NonceCache::get_instance().fetch_nonce_info_use_rpc(&client.rpc).await?;
-    let current_nonce = NonceCache::get_instance().get_nonce_info().current_nonce;
-    let nonce_account = NonceCache::get_instance().get_nonce_info().nonce_account;
-    println!("current_nonce: {}", current_nonce);
+    let durable_nonce = NonceCache::get_durable_nonce_info();
 
     // Buy tokens
     println!("Buying tokens from PumpFun...");
@@ -137,7 +135,7 @@ async fn pumpfun_copy_trade_with_grpc(trade_info: PumpFunTradeEvent) -> AnyResul
         mint: mint_pubkey,
         sol_amount: buy_sol_amount,
         slippage_basis_points: slippage_basis_points,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         extension_params: Box::new(PumpFunParams::from_trade(&trade_info, None)),
         lookup_table_key: None,
         wait_transaction_confirmed: true,
@@ -145,8 +143,7 @@ async fn pumpfun_copy_trade_with_grpc(trade_info: PumpFunTradeEvent) -> AnyResul
         close_wsol_ata: false,
         create_mint_ata: true,
         open_seed_optimize: false,
-        nonce_account: nonce_account,
-        current_nonce: Some(current_nonce),
+        durable_nonce: Some(durable_nonce),
     };
     client.buy(buy_params).await?;
 
diff --git a/examples/pumpfun_copy_trading/src/main.rs b/examples/pumpfun_copy_trading/src/main.rs
index ec0f9ef..e4f644c 100644
--- a/examples/pumpfun_copy_trading/src/main.rs
+++ b/examples/pumpfun_copy_trading/src/main.rs
@@ -128,7 +128,7 @@ async fn pumpfun_copy_trade_with_grpc(trade_info: PumpFunTradeEvent) -> AnyResul
         mint: mint_pubkey,
         sol_amount: buy_sol_amount,
         slippage_basis_points: slippage_basis_points,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         extension_params: Box::new(PumpFunParams::from_trade(&trade_info, None)),
         lookup_table_key: None,
         wait_transaction_confirmed: true,
@@ -136,8 +136,7 @@ async fn pumpfun_copy_trade_with_grpc(trade_info: PumpFunTradeEvent) -> AnyResul
         close_wsol_ata: false,
         create_mint_ata: true,
         open_seed_optimize: false,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     client.buy(buy_params).await?;
 
@@ -157,7 +156,7 @@ async fn pumpfun_copy_trade_with_grpc(trade_info: PumpFunTradeEvent) -> AnyResul
         mint: mint_pubkey,
         token_amount: amount_token,
         slippage_basis_points: slippage_basis_points,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         with_tip: false,
         extension_params: Box::new(PumpFunParams::from_trade(&trade_info, Some(true))),
         lookup_table_key: None,
@@ -165,8 +164,7 @@ async fn pumpfun_copy_trade_with_grpc(trade_info: PumpFunTradeEvent) -> AnyResul
         create_wsol_ata: false,
         close_wsol_ata: false,
         open_seed_optimize: false,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     client.sell(sell_params).await?;
 
diff --git a/examples/pumpfun_sniper_trading/src/main.rs b/examples/pumpfun_sniper_trading/src/main.rs
index 7a5df3d..9c5c0af 100644
--- a/examples/pumpfun_sniper_trading/src/main.rs
+++ b/examples/pumpfun_sniper_trading/src/main.rs
@@ -97,7 +97,7 @@ async fn pumpfun_sniper_trade_with_shreds(trade_info: PumpFunTradeEvent) -> AnyR
         mint: mint_pubkey,
         sol_amount: buy_sol_amount,
         slippage_basis_points: slippage_basis_points,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         extension_params: Box::new(PumpFunParams::from_dev_trade(&trade_info, None)),
         lookup_table_key: None,
         wait_transaction_confirmed: true,
@@ -105,8 +105,7 @@ async fn pumpfun_sniper_trade_with_shreds(trade_info: PumpFunTradeEvent) -> AnyR
         close_wsol_ata: true,
         create_mint_ata: true,
         open_seed_optimize: false,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     client.buy(buy_params).await?;
 
@@ -126,7 +125,7 @@ async fn pumpfun_sniper_trade_with_shreds(trade_info: PumpFunTradeEvent) -> AnyR
         mint: mint_pubkey,
         token_amount: amount_token,
         slippage_basis_points: slippage_basis_points,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         with_tip: false,
         extension_params: Box::new(PumpFunParams::immediate_sell(trade_info.creator_vault, true)),
         lookup_table_key: None,
@@ -134,8 +133,7 @@ async fn pumpfun_sniper_trade_with_shreds(trade_info: PumpFunTradeEvent) -> AnyR
         create_wsol_ata: true,
         close_wsol_ata: true,
         open_seed_optimize: false,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     client.sell(sell_params).await?;
 
diff --git a/examples/pumpswap_direct_trading/src/main.rs b/examples/pumpswap_direct_trading/src/main.rs
index 7e87cdf..883f05d 100644
--- a/examples/pumpswap_direct_trading/src/main.rs
+++ b/examples/pumpswap_direct_trading/src/main.rs
@@ -27,7 +27,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         mint: mint_pubkey,
         sol_amount: buy_sol_amount,
         slippage_basis_points: slippage_basis_points,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         extension_params: Box::new(
             PumpSwapParams::from_pool_address_by_rpc(&client.rpc, &pool).await?,
         ),
@@ -37,8 +37,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         close_wsol_ata: true,
         create_mint_ata: true,
         open_seed_optimize: false,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     client.buy(buy_params).await?;
 
@@ -56,7 +55,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         mint: mint_pubkey,
         token_amount: amount_token,
         slippage_basis_points: slippage_basis_points,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         with_tip: false,
         extension_params: Box::new(
             PumpSwapParams::from_pool_address_by_rpc(&client.rpc, &pool).await?,
@@ -66,8 +65,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         create_wsol_ata: true,
         close_wsol_ata: true,
         open_seed_optimize: false,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     client.sell(sell_params).await?;
 
diff --git a/examples/pumpswap_trading/src/main.rs b/examples/pumpswap_trading/src/main.rs
index c13175c..c955bf5 100644
--- a/examples/pumpswap_trading/src/main.rs
+++ b/examples/pumpswap_trading/src/main.rs
@@ -173,7 +173,7 @@ async fn pumpswap_trade_with_grpc(mint_pubkey: Pubkey, params: PumpSwapParams) -
         mint: mint_pubkey,
         sol_amount: buy_sol_amount,
         slippage_basis_points: slippage_basis_points,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         extension_params: Box::new(params.clone()),
         lookup_table_key: None,
         wait_transaction_confirmed: true,
@@ -181,8 +181,7 @@ async fn pumpswap_trade_with_grpc(mint_pubkey: Pubkey, params: PumpSwapParams) -
         close_wsol_ata: true,
         create_mint_ata: true,
         open_seed_optimize: false,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     client.buy(buy_params).await?;
 
@@ -204,7 +203,7 @@ async fn pumpswap_trade_with_grpc(mint_pubkey: Pubkey, params: PumpSwapParams) -
         mint: mint_pubkey,
         token_amount: amount_token,
         slippage_basis_points: slippage_basis_points,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         with_tip: false,
         extension_params: Box::new(params.clone()),
         lookup_table_key: None,
@@ -212,8 +211,7 @@ async fn pumpswap_trade_with_grpc(mint_pubkey: Pubkey, params: PumpSwapParams) -
         create_wsol_ata: true,
         close_wsol_ata: true,
         open_seed_optimize: false,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     client.sell(sell_params).await?;
 
diff --git a/examples/raydium_amm_v4_trading/src/main.rs b/examples/raydium_amm_v4_trading/src/main.rs
index 23f37f1..3ce151f 100644
--- a/examples/raydium_amm_v4_trading/src/main.rs
+++ b/examples/raydium_amm_v4_trading/src/main.rs
@@ -141,7 +141,7 @@ async fn raydium_amm_v4_copy_trade_with_grpc(trade_info: RaydiumAmmV4SwapEvent)
         mint: mint_pubkey,
         sol_amount: buy_sol_amount,
         slippage_basis_points: slippage_basis_points,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         extension_params: Box::new(params),
         lookup_table_key: None,
         wait_transaction_confirmed: true,
@@ -149,8 +149,7 @@ async fn raydium_amm_v4_copy_trade_with_grpc(trade_info: RaydiumAmmV4SwapEvent)
         close_wsol_ata: true,
         create_mint_ata: true,
         open_seed_optimize: false,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     client.buy(buy_params).await?;
 
@@ -171,7 +170,7 @@ async fn raydium_amm_v4_copy_trade_with_grpc(trade_info: RaydiumAmmV4SwapEvent)
         mint: mint_pubkey,
         token_amount: amount_token,
         slippage_basis_points: slippage_basis_points,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         with_tip: false,
         extension_params: Box::new(params),
         lookup_table_key: None,
@@ -179,8 +178,7 @@ async fn raydium_amm_v4_copy_trade_with_grpc(trade_info: RaydiumAmmV4SwapEvent)
         create_wsol_ata: true,
         close_wsol_ata: true,
         open_seed_optimize: false,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     client.sell(sell_params).await?;
 
diff --git a/examples/raydium_cpmm_trading/src/main.rs b/examples/raydium_cpmm_trading/src/main.rs
index 385f2d6..d75d700 100644
--- a/examples/raydium_cpmm_trading/src/main.rs
+++ b/examples/raydium_cpmm_trading/src/main.rs
@@ -157,7 +157,7 @@ async fn raydium_cpmm_copy_trade_with_grpc(trade_info: RaydiumCpmmSwapEvent) ->
         mint: mint_pubkey,
         sol_amount: buy_sol_amount,
         slippage_basis_points: slippage_basis_points,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         extension_params: Box::new(buy_params),
         lookup_table_key: None,
         wait_transaction_confirmed: true,
@@ -165,8 +165,7 @@ async fn raydium_cpmm_copy_trade_with_grpc(trade_info: RaydiumCpmmSwapEvent) ->
         close_wsol_ata: true,
         create_mint_ata: true,
         open_seed_optimize: false,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     client.buy(buy_params).await?;
 
@@ -189,7 +188,7 @@ async fn raydium_cpmm_copy_trade_with_grpc(trade_info: RaydiumCpmmSwapEvent) ->
         mint: mint_pubkey,
         token_amount: amount_token,
         slippage_basis_points: slippage_basis_points,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         with_tip: false,
         extension_params: Box::new(sell_params),
         lookup_table_key: None,
@@ -197,8 +196,7 @@ async fn raydium_cpmm_copy_trade_with_grpc(trade_info: RaydiumCpmmSwapEvent) ->
         create_wsol_ata: true,
         close_wsol_ata: true,
         open_seed_optimize: false,
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     client.sell(sell_params).await?;
 
diff --git a/examples/seed_trading/src/main.rs b/examples/seed_trading/src/main.rs
index c64493b..d755c4a 100644
--- a/examples/seed_trading/src/main.rs
+++ b/examples/seed_trading/src/main.rs
@@ -28,7 +28,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         mint: mint_pubkey,
         sol_amount: buy_sol_amount,
         slippage_basis_points: slippage_basis_points,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         extension_params: Box::new(
             PumpSwapParams::from_pool_address_by_rpc(&client.rpc, &pool).await?,
         ),
@@ -38,8 +38,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         close_wsol_ata: true,
         create_mint_ata: true,
         open_seed_optimize: true, // ❗️❗️❗️❗️ open seed optimize
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     client.buy(buy_params).await?;
 
@@ -65,7 +64,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         mint: mint_pubkey,
         token_amount: amount_token,
         slippage_basis_points: slippage_basis_points,
-        recent_blockhash: recent_blockhash,
+        recent_blockhash: Some(recent_blockhash),
         with_tip: false,
         extension_params: Box::new(
             PumpSwapParams::from_pool_address_by_rpc(&client.rpc, &pool).await?,
@@ -75,8 +74,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
         create_wsol_ata: true,
         close_wsol_ata: true,
         open_seed_optimize: true, // ❗️❗️❗️❗️ open seed optimize
-        nonce_account: None,
-        current_nonce: None,
+        durable_nonce: None,
     };
     client.sell(sell_params).await?;