diff --git a/demo/js/index.js b/demo/js/index.js
index b427395..e17ab1a 100644
--- a/demo/js/index.js
+++ b/demo/js/index.js
@@ -32,11 +32,14 @@ async function deriveAccounts(){
       {chain: kos.Chain.TRX, model: kos.TRX},
       {chain: kos.Chain.KLV, model: kos.KLV},
     ].forEach((d) => {
+      // get path options
+      const pathOptions = kos.PathOptions.new(0);
+
       // create new wallet from mnemonic
       let w1 = kos.Wallet.fromMnemonic(
         d.chain,
         "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about",
-        d.model.getPath(0),
+        d.model.getPath(pathOptions),
       );
       debugWallet("mnemonic", w1);
 
@@ -78,10 +81,12 @@ window.onload = function(){
 
 async function sendKLV(address, to, amount, token = "KLV") {
     const kos = window.kos;
+    const pathOptions = kos.PathOptions.new(0);
+
     let klvWallet = kos.Wallet.fromMnemonic(
       kos.Chain.KLV,
       "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about",
-      kos.KLV.getPath(0),
+      kos.KLV.getPath(pathOptions),
     );
 
     klvWallet.setNodeUrl(NODE);
diff --git a/packages/kos-sdk/src/chain.rs b/packages/kos-sdk/src/chain.rs
index 87156a1..bb281a1 100644
--- a/packages/kos-sdk/src/chain.rs
+++ b/packages/kos-sdk/src/chain.rs
@@ -1,5 +1,5 @@
 use crate::chains::*;
-use crate::models::{self, BroadcastResult, Transaction};
+use crate::models::{self, BroadcastResult, PathOptions, Transaction};
 use kos_crypto::keypair::KeyPair;
 use kos_types::error::Error;
 use kos_types::number::BigNumber;
@@ -48,9 +48,9 @@ macro_rules! createChains {
                 }
             }
 
-            pub fn get_path(&self, index: u32) -> Result<String, Error> {
+            pub fn get_path(&self, options: &PathOptions) -> Result<String, Error> {
                 match self {
-                    $(Chain::$name => $name::get_path(index),)*
+                    $(Chain::$name => $name::get_path(options),)*
                 }
             }
 
diff --git a/packages/kos-sdk/src/chains/bitcoin/mod.rs b/packages/kos-sdk/src/chains/bitcoin/mod.rs
index 34e3012..0320b02 100644
--- a/packages/kos-sdk/src/chains/bitcoin/mod.rs
+++ b/packages/kos-sdk/src/chains/bitcoin/mod.rs
@@ -2,7 +2,7 @@ mod requests;
 pub mod transaction;
 
 use crate::chain::{BaseChain, Chain};
-use crate::models::{self, BroadcastResult, Transaction, TransactionRaw};
+use crate::models::{self, BroadcastResult, PathOptions, Transaction, TransactionRaw};
 
 use kos_crypto::{keypair::KeyPair, secp256k1::Secp256k1KeyPair};
 use kos_proto::options::BTCOptions;
@@ -105,8 +105,8 @@ impl BTC {
     }
 
     #[wasm_bindgen(js_name = "getPath")]
-    pub fn get_path(index: u32) -> Result<String, Error> {
-        Ok(format!("m/84'/{}'/0'/0/{}", BIP44_PATH, index))
+    pub fn get_path(options: &PathOptions) -> Result<String, Error> {
+        Ok(format!("m/84'/{}'/0'/0/{}", BIP44_PATH, options.index))
     }
 
     #[wasm_bindgen(js_name = "signDigest")]
@@ -402,7 +402,7 @@ mod tests {
         ];
 
         for (index, expected_addr) in v {
-            let path = BTC::get_path(index).unwrap();
+            let path = BTC::get_path(&PathOptions::new(index)).unwrap();
             let kp = BTC::keypair_from_mnemonic(DEFAULT_MNEMONIC, &path, None).unwrap();
             let addr = BTC::get_address_from_keypair(&kp).unwrap();
 
diff --git a/packages/kos-sdk/src/chains/default/mod.rs b/packages/kos-sdk/src/chains/default/mod.rs
index 61d77c9..42cc590 100644
--- a/packages/kos-sdk/src/chains/default/mod.rs
+++ b/packages/kos-sdk/src/chains/default/mod.rs
@@ -1,5 +1,5 @@
 use crate::chain::BaseChain;
-use crate::models::{self, BroadcastResult, Transaction};
+use crate::models::{self, BroadcastResult, PathOptions, Transaction};
 use kos_crypto::keypair::KeyPair;
 use kos_types::error::Error;
 use kos_types::number::BigNumber;
@@ -48,7 +48,7 @@ impl NONE {
     }
 
     #[wasm_bindgen(js_name = "getPath")]
-    pub fn get_path(_index: u32) -> Result<String, Error> {
+    pub fn get_path(_options: &PathOptions) -> Result<String, Error> {
         Err(Error::UnsupportedChain("NONE"))
     }
 
diff --git a/packages/kos-sdk/src/chains/ethereum/mod.rs b/packages/kos-sdk/src/chains/ethereum/mod.rs
index d6e9af4..b8e5717 100644
--- a/packages/kos-sdk/src/chains/ethereum/mod.rs
+++ b/packages/kos-sdk/src/chains/ethereum/mod.rs
@@ -4,7 +4,7 @@ pub mod request;
 pub mod transaction;
 
 use crate::chain::{self, BaseChain};
-use crate::models::{self, BroadcastResult, Transaction, TransactionRaw};
+use crate::models::{self, BroadcastResult, PathOptions, Transaction, TransactionRaw};
 
 use kos_crypto::keypair::KeyPair;
 use kos_crypto::secp256k1::Secp256k1KeyPair;
@@ -87,8 +87,8 @@ impl ETH {
     }
 
     #[wasm_bindgen(js_name = "getPath")]
-    pub fn get_path(index: u32) -> Result<String, Error> {
-        Ok(format!("m/44'/{}'/0'/0/{}", BIP44_PATH, index))
+    pub fn get_path(options: &PathOptions) -> Result<String, Error> {
+        Ok(format!("m/44'/{}'/0'/0/{}", BIP44_PATH, options.index))
     }
 
     #[wasm_bindgen(js_name = "signDigest")]
@@ -465,7 +465,7 @@ mod tests {
         ];
 
         for (index, expected_addr) in v {
-            let path = ETH::get_path(index).unwrap();
+            let path = ETH::get_path(&PathOptions::new(index)).unwrap();
             let kp = ETH::keypair_from_mnemonic(DEFAULT_MNEMONIC, &path, None).unwrap();
             let addr = ETH::get_address_from_keypair(&kp).unwrap();
 
diff --git a/packages/kos-sdk/src/chains/klever/klever_test.rs b/packages/kos-sdk/src/chains/klever/klever_test.rs
index fede222..eb3d315 100644
--- a/packages/kos-sdk/src/chains/klever/klever_test.rs
+++ b/packages/kos-sdk/src/chains/klever/klever_test.rs
@@ -4,6 +4,7 @@ mod tests {
     use std::str;
 
     use crate::chains::klever::*;
+    use crate::models::PathOptions;
     use crate::models::SendOptions;
     use hex::FromHex;
     use kos_types::Bytes32;
@@ -134,7 +135,7 @@ mod tests {
 
     #[test]
     fn test_address_from_mnemonic() {
-        let path = KLV::get_path(0).unwrap();
+        let path = KLV::get_path(&PathOptions::new(0)).unwrap();
         let kp = KLV::keypair_from_mnemonic("abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about", &path, None).unwrap();
         let address = KLV::get_address_from_keypair(&kp).unwrap();
 
diff --git a/packages/kos-sdk/src/chains/klever/mod.rs b/packages/kos-sdk/src/chains/klever/mod.rs
index 3c247f4..fdacad9 100644
--- a/packages/kos-sdk/src/chains/klever/mod.rs
+++ b/packages/kos-sdk/src/chains/klever/mod.rs
@@ -3,7 +3,7 @@ pub mod models;
 pub mod requests;
 use crate::{
     chain::BaseChain,
-    models::{AddressOptions, BroadcastResult, Transaction, TransactionRaw},
+    models::{AddressOptions, BroadcastResult, PathOptions, Transaction, TransactionRaw},
 };
 use kos_crypto::{ed25519::Ed25519KeyPair, keypair::KeyPair};
 use kos_types::{error::Error, hash::Hash, number::BigNumber};
@@ -69,8 +69,8 @@ impl KLV {
     }
 
     #[wasm_bindgen(js_name = "getPath")]
-    pub fn get_path(index: u32) -> Result<String, Error> {
-        Ok(format!("m/44'/{}'/0'/0'/{}'", BIP44_PATH, index))
+    pub fn get_path(options: &PathOptions) -> Result<String, Error> {
+        Ok(format!("m/44'/{}'/0'/0'/{}'", BIP44_PATH, options.index))
     }
 
     #[wasm_bindgen(js_name = "signDigest")]
diff --git a/packages/kos-sdk/src/chains/polygon/mod.rs b/packages/kos-sdk/src/chains/polygon/mod.rs
index 4c31c75..cfa108f 100644
--- a/packages/kos-sdk/src/chains/polygon/mod.rs
+++ b/packages/kos-sdk/src/chains/polygon/mod.rs
@@ -2,6 +2,7 @@ use super::ETHTransaction;
 use super::ETH;
 
 use crate::chain::{BaseChain, Chain};
+use crate::models::PathOptions;
 use crate::models::{self, BroadcastResult, TransactionRaw};
 
 use kos_crypto::keypair::KeyPair;
@@ -93,8 +94,8 @@ impl MATIC {
     }
 
     #[wasm_bindgen(js_name = "getPath")]
-    pub fn get_path(index: u32) -> Result<String, Error> {
-        ETH::get_path(index)
+    pub fn get_path(options: &PathOptions) -> Result<String, Error> {
+        ETH::get_path(options)
     }
 
     #[wasm_bindgen(js_name = "signDigest")]
@@ -237,7 +238,7 @@ mod tests {
         ];
 
         for (index, expected_addr) in v {
-            let path = MATIC::get_path(index).unwrap();
+            let path = MATIC::get_path(&PathOptions::new(index)).unwrap();
             let kp = MATIC::keypair_from_mnemonic(DEFAULT_MNEMONIC, &path, None).unwrap();
             let addr = MATIC::get_address_from_keypair(&kp).unwrap();
 
diff --git a/packages/kos-sdk/src/chains/tron/mod.rs b/packages/kos-sdk/src/chains/tron/mod.rs
index 03a3236..adc41bf 100644
--- a/packages/kos-sdk/src/chains/tron/mod.rs
+++ b/packages/kos-sdk/src/chains/tron/mod.rs
@@ -5,7 +5,7 @@ use std::str::FromStr;
 
 use crate::{
     chain::{self, BaseChain},
-    models::{BroadcastResult, Transaction, TransactionRaw},
+    models::{BroadcastResult, PathOptions, Transaction, TransactionRaw},
 };
 use kos_crypto::{keypair::KeyPair, secp256k1::Secp256k1KeyPair};
 use kos_types::error::Error;
@@ -79,9 +79,17 @@ impl TRX {
     }
 
     #[wasm_bindgen(js_name = "getPath")]
-    pub fn get_path(index: u32) -> Result<String, Error> {
-        // use account 0 index X
-        Ok(format!("m/44'/{}'/0'/0/{}", BIP44_PATH, index))
+    pub fn get_path(options: &PathOptions) -> Result<String, Error> {
+        let index = options.index;
+
+        let is_legacy = options.is_legacy.unwrap_or(false);
+
+        if is_legacy {
+            Ok(format!("m/44'/{}'/{}'", BIP44_PATH, index))
+        } else {
+            // use account 0 index X
+            Ok(format!("m/44'/{}'/0'/0/{}", BIP44_PATH, index))
+        }
     }
 
     #[wasm_bindgen(js_name = "signDigest")]
@@ -324,7 +332,7 @@ mod tests {
 
     #[test]
     fn test_address_from_mnemonic() {
-        let path = TRX::get_path(0).unwrap();
+        let path = TRX::get_path(&PathOptions::new(0)).unwrap();
         let kp = TRX::keypair_from_mnemonic("abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about", &path, None).unwrap();
         let address = TRX::get_address_from_keypair(&kp).unwrap();
 
@@ -389,7 +397,7 @@ mod tests {
         ];
 
         for (index, expected_addr) in v {
-            let path = TRX::get_path(index).unwrap();
+            let path = TRX::get_path(&PathOptions::new(index)).unwrap();
             let kp = TRX::keypair_from_mnemonic(default_mnemonic, &path, None).unwrap();
             let addr = TRX::get_address_from_keypair(&kp).unwrap();
 
diff --git a/packages/kos-sdk/src/models.rs b/packages/kos-sdk/src/models.rs
index 6eb2a7f..a9be80d 100644
--- a/packages/kos-sdk/src/models.rs
+++ b/packages/kos-sdk/src/models.rs
@@ -30,6 +30,37 @@ impl BroadcastResult {
         serde_json::to_string(&self).unwrap()
     }
 }
+#[derive(Default, Deserialize, Serialize, Clone, Debug)]
+#[wasm_bindgen]
+pub struct PathOptions {
+    #[wasm_bindgen(skip)]
+    pub index: u32,
+    #[wasm_bindgen(skip)]
+    pub is_legacy: Option<bool>,
+}
+
+#[wasm_bindgen]
+impl PathOptions {
+    #[wasm_bindgen(constructor)]
+    pub fn constructor() -> Self {
+        Self::default()
+    }
+
+    pub fn new(index: u32) -> Self {
+        Self {
+            index,
+            is_legacy: Some(false),
+        }
+    }
+    #[wasm_bindgen(js_name = setIndex)]
+    pub fn set_index(&mut self, index: u32) {
+        self.index = index;
+    }
+    #[wasm_bindgen(js_name = setLegacy)]
+    pub fn set_legacy(&mut self, is_legacy: bool) {
+        self.is_legacy = Some(is_legacy);
+    }
+}
 
 // create enum variant list of transaction types supported
 kos_types::enum_thing! {
diff --git a/packages/kos-sdk/src/wallet.rs b/packages/kos-sdk/src/wallet.rs
index d3a4bcc..aac57f0 100644
--- a/packages/kos-sdk/src/wallet.rs
+++ b/packages/kos-sdk/src/wallet.rs
@@ -1,6 +1,6 @@
 use crate::{
     chain::{BaseChain, Chain},
-    models::{self, BroadcastResult, Transaction},
+    models::{self, BroadcastResult, PathOptions, Transaction},
 };
 
 use kos_crypto::keypair::KeyPair;
@@ -224,12 +224,12 @@ impl Wallet {
     pub fn from_mnemonic_index(
         chain: Chain,
         mnemonic: String,
-        index: u32,
+        path_options: &PathOptions,
         password: Option<String>,
     ) -> Result<Wallet, Error> {
-        let path = chain.get_path(index)?;
+        let path = chain.get_path(path_options)?;
         let mut wallet = Wallet::from_mnemonic(chain, mnemonic, path, password)?;
-        wallet.index = Some(index);
+        wallet.index = Some(path_options.index);
 
         Ok(wallet)
     }
@@ -474,7 +474,7 @@ mod tests {
         let mut w1 = Wallet::from_mnemonic(
             Chain::KLV,
         "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about".to_string(),
-        Chain::KLV.get_path(0).unwrap(),
+        Chain::KLV.get_path(&PathOptions::new(0)).unwrap(),
             None,
         ).unwrap();
 
@@ -501,7 +501,7 @@ mod tests {
         let mut w1 = Wallet::from_mnemonic(
             Chain::KLV,
         "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about".to_string(),
-        Chain::KLV.get_path(0).unwrap(),
+        Chain::KLV.get_path(&PathOptions::new(0)).unwrap(),
             None,
         ).unwrap();
 
@@ -576,7 +576,7 @@ qeVTAAAA
         let w1 = Wallet::from_mnemonic(
             Chain::KLV,
         "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about".to_string(),
-        Chain::KLV.get_path(0).unwrap(),
+        Chain::KLV.get_path(&PathOptions::new(0)).unwrap(),
             None,
         ).unwrap();
 
@@ -589,7 +589,7 @@ qeVTAAAA
         let w1 = Wallet::from_mnemonic_index(
             Chain::KLV,
         "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about".to_string(),
-        10,
+        &PathOptions::new(10),
             None,
         ).unwrap();
         let result = w1.get_index();
diff --git a/packages/kos-sdk/src/wm.rs b/packages/kos-sdk/src/wm.rs
index ee8461a..25d72e4 100644
--- a/packages/kos-sdk/src/wm.rs
+++ b/packages/kos-sdk/src/wm.rs
@@ -1,4 +1,4 @@
-use crate::wallet::Wallet;
+use crate::{models::PathOptions, wallet::Wallet};
 use kos_types::error::Error;
 use kos_utils::{pack, unpack};
 
@@ -249,7 +249,7 @@ impl WalletManager {
         let mut wallet = Wallet::from_mnemonic_index(
             chain,
             self.get_mnemonic(password.to_owned())?,
-            index,
+            &PathOptions::new(index),
             None,
         )?;