Overview
The Coinbase Wallet extension is a browser extension that lets you securely access decentralized apps (dApps), manage multiple cryptocurrencies, and sign transactions directly from your browser. It functions as a non-custodial wallet — you control the private keys — and acts as a Web3 connector for sites that support wallet integrations.
Key Features
- dApp Connectivity: Seamlessly connect to decentralized exchanges, NFT marketplaces, and other Web3 services using the Coinbase Wallet extension.
- Multi-Asset Support: Store and manage ETH, ERC-20 tokens, and many other supported assets.
- Secure Transaction Signing: Transactions and signatures are approved locally in the extension; private keys never leave your device.
- Account & Network Management: Add multiple accounts, switch networks (Ethereum mainnet, testnets, and supported layer-2s), and customize gas settings.
- WalletConnect & QR Support: Use WalletConnect-compatible mobile apps and scan QR codes to link sessions between devices.
- Import & Restore: Import an existing wallet with a recovery phrase or private key, or create a new wallet in minutes.
How to Install the Coinbase Wallet Extension
- Open your browser’s extension/add-on store (Chrome Web Store, Edge Add-ons, or Firefox Add-ons).
- Search for
Coinbase Wallet
(official publisher should be Coinbase) and choose the extension. - Click Install or Add to Browser and allow necessary permissions.
- Pin the extension to your toolbar for quick access.
- Open the extension, choose Create a new wallet or Import existing wallet, and follow the guided setup to save your recovery phrase securely offline.
Security Best Practices
- Only install the extension from the official browser store and verify the publisher name is Coinbase.
- Never share your recovery phrase. Treat it like cash—store it offline on paper or a metal backup.
- Do not enter your recovery phrase into websites, apps, or chats — legitimate services never ask for it.
- Use a strong, unique password for the extension and enable browser security features (e.g., OS-level biometric unlock if available).
- Keep your browser and extension up to date to receive security patches.
- Review permissions requested by the extension and revoke access for suspicious dApps or sites.
Troubleshooting
Extension not connecting to a dApp
- Refresh the dApp page and reconnect the wallet via the site’s connect button.
- Ensure the extension is unlocked and the correct account is selected.
- Disable other wallet extensions (like MetaMask) temporarily — extensions can conflict.
Can’t see my funds
- Confirm you’re on the correct network/account. Switch networks if tokens are on a Layer-2 or testnet.
- Manually add token contract addresses if an ERC-20 token isn’t listed.
Lost recovery phrase
If you lose your recovery phrase and still have wallet access, create a new wallet and transfer funds to it immediately, then back up the new recovery phrase. If you lose both access and the phrase, funds cannot be recovered.
FAQ
Is the Coinbase Wallet extension custodial?
No — it is non-custodial. You control the private keys and are responsible for safekeeping your recovery phrase.
Can I use Coinbase Wallet extension with the Coinbase exchange?
You can link your Coinbase exchange account to the Coinbase Wallet mobile app via certain features, but the extension itself is independent and stores separate private keys.
Does Coinbase Wallet support NFTs?
Yes — the extension supports NFTs on supported blockchains and works with marketplaces that integrate Web3 wallet connections.
Is the extension safe to use on public computers?
No — avoid using crypto wallet extensions on public or shared computers. Use your own secure device and keep the recovery phrase offline.
Conclusion
The Coinbase Wallet extension is a practical Web3 gateway for browsing dApps, managing tokens, and signing transactions in-browser. Install only from official sources, protect your recovery phrase, and always confirm transaction details before approving — that keeps your crypto secure and under your control.