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How to connect to dApps with Ledger Extension

This article explains step-by-step how to connect to a dApp with Ledger Extension.

Most DeFi apps and NFT marketplaces are compatible with Ledger Extension—OpenSea, Rarible, LooksRare, SuperRare, Manifold, Uniswap, 1inch, Paraswap, ENS, Aave, and more. 

Rather than continue updating Ledger Extension as a standalone app, we’re integrating many of its features such as Web3 checks into other parts of the Ledger ecosystem to streamline your experience and make it easier to securely manage your assets.

You can still use the Ledger Extension app if you have it already, but it will no longer be available to download, and we have no plans for further updates.

Connect Ledger Extension to a dApp

In this tutorial, we’ll use OpenSea as an example. The steps are as follows:

  1. Go to the OpenSea website
  2. Click the Wallet icon in the upper right corner. You’ll see a list of wallets that you can use to connect to OpenSea.

ℹ️ Make sure that Bluetooth is enabled on your Ledger device and iPhone/Mac. Open the Ethereum app on your device.

  1. Select Ledger.
  2. Select the Ethereum account you want to use and click Connect. You should see a message stating Connected Successfully.
  3. Review and sign the message with your Ledger device to confirm that you accept OpenSea Terms of Service.

All done. Your Ledger Extension is connected to OpenSea.

Check a transaction

Let’s say that you’re buying an NFT on OpenSea. Here is how to check that transaction with Ledger Extension:

  1. Navigate to OpenSea and click on the NFT you want to buy. 
  2. Click Add to cart.
  3. Select your payment method and click Complete purchase.
  4. Ledger Extension will open and run Web3 Check and Wallet Preview. These two features will show you security alerts (if there are any) before you sign a transaction:

☑️Web3 Check will notify you in case of any risks and ask you to review a potential issue on your Ledger device.

🔬Wallet Preview will inform you what will change in your wallet if you confirm the transaction.

  1. After reviewing the details, click Continue.
  2. Select Network Fees and click Continue.
  3. Review transaction details on your Ledger device and make sure they match the details displayed on Ledger Extension.

And that’s it. Your transaction is complete.

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