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How to Connect a Ledger to 1inch dApps with Ledger Wallet Direct Connectivity

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Written by Anastasiia Pustovoitova
Updated over 3 weeks ago

You can connect your Ledger signer (hardware device) to the 1inch dApp to securely sign transactions using Ledger Wallet Direct Connectivity with less effort.

Before You Start

Make sure you have:

  • A Ledger signer (Ledger Nano S is not supported).

  • The Ledger Wallet (formerly Ledger Live) app is installed on your desktop or mobile device (download the latest version here).

  • The Ledger Sync app is activated in Ledger Wallet.

    • You can find it in Ledger Wallet → My Apps → Ledger Sync.

  • The relevant network apps (e.g., Ethereum, Polygon) are installed on your Ledger signer.

Each blockchain network requires a separate app on your Ledger signer. For example, to use 1inch on Polygon, install both the Ethereum and Polygon apps.

How to Connect Ledger to 1inch

1. Open the 1inch dApp in your browser.

2. Click Connect Wallet → choose Ledger.

3. A Ledger Sync window will appear

  • Choose the connection type - Bluetooth or USB

  • The app will search for your Ledger signer.

  • Select your device from the list when it appears, then click Continue

4. On your Ledger signer, confirm the connection by selecting Connect with Ledger Sync.

5. In the Ledger Sync app, activate Sync for this computer when prompted.

6. Once sync is enabled, your Ledger account details will be loaded into 1inch, allowing you to select your account and complete the connection.

Supported Connection Methods

You can connect your Ledger in two ways:

  • Bluetooth (Nano X, Flex, and Stax)

  • USB cable (all supported models)

Network Support

Ledger connections on 1inch currently default to the Ethereum network.

When a user switches to another supported network (for example, Polygon or BNB Chain), the dApp automatically attempts to switch the Ledger connection to the corresponding network.

Supported networks include:

  • Ethereum

  • BNB Chain

  • Polygon

  • zkSync

  • Optimism

  • Base

  • Arbitrum

Feature Limitations

When using a Ledger signer in the 1inch dApp, please note the following limitations:

  • Limit Orders are currently not available.

  • Cross-chain Swaps are also not supported.

You can still perform swaps within a single network

Troubleshooting

Ledger Sync not detected

Make sure the Ledger Sync app is installed and open in Ledger Live.

Device not found

Reconnect your Ledger, and ensure Bluetooth/USB permissions are enabled in your browser.

USB connection issue

  • Solution 1. Check your USB connection

  • Solution 2. Try another cable or USB port

  • Solution 3. Turn off Anti-virus and VPN

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