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description Comprehensive guide to Hardware Wallets on Sei. Learn key concepts, commands, and best practices.
title Hardware Wallets

Signing transactions manually or using hardware wallets like Ledger ensures secure transaction approval. To sign Sei transactions, install the Ethereum app (or the dedicated Sei app) on your Ledger device and sign through an EVM wallet such as MetaMask.

The legacy flow that used the Cosmos app with a Cosmos RPC endpoint is deprecated: per [SIP-03](/learn/sip-03-migration), Cosmos-native interfaces were slated for deprecation on June 15, 2026. If you still hold funds on a Ledger Cosmos-app (`sei1...`) account, see [Migrating a hardware or mnemonic-only wallet](/learn/sip-03-migration#migrating-a-hardware-or-mnemonic-only-wallet).

Using MetaMask with Ledger

To connect your Ledger device through MetaMask and sign transactions:

  1. Install MetaMask: Ensure MetaMask is installed on your browser.

  2. Connect Ledger: Open MetaMask, go to the account options, and select “Connect Hardware Wallet”.

  3. Follow Instructions: Follow the on-screen instructions to connect your Ledger device and select the account you want to use.

  4. Sign Transactions: Once connected, you can sign transactions directly through MetaMask using your Ledger device.

Installing the Ethereum App on Ledger

Before you can use your Ledger device to sign transactions through MetaMask, ensure you have the Ethereum app installed. You can install it through Ledger Live:

• Ledger App Store - Ethereum App

Alternatively, you can install the dedicated Sei app from the Ledger Live App Catalog — see Ledger Setup for step-by-step instructions.