How MetaMask Login Works
MetaMask is a non-custodial cryptocurrency wallet that runs as a browser extension and a mobile app. "Login" in the MetaMask context means unlocking your wallet using either your account password (for local access) or restoring the wallet using your secret recovery phrase (seed phrase) when installing on a new device. Because MetaMask does not hold your keys, you remain in control — but that also means responsibility: losing your recovery phrase typically means losing access to your funds.
The most common login flow is simple: install the official MetaMask extension or app, choose "Import using Secret Recovery Phrase" if you already have one, or create a new wallet and back up the recovery phrase somewhere safe. Then, set a strong local password to unlock the wallet on that device. With the extension installed, signing in to dApps becomes a secure, permission-based process: dApps request connection and transaction approvals — you grant them explicitly.
Create, Restore, or Lock Your Wallet
Creating a new wallet in MetaMask generates a 12-word (or 24-word) secret recovery phrase. Write this down on paper and store it offline — do not store it in plain text on a connected device or share it with anyone. To restore an existing wallet, choose "Import using Secret Recovery Phrase" during setup and enter the words in the correct order. When you're finished interacting, you can lock the wallet; relocking prevents transactions until the password is re-entered.
Security Practices — What Every User Should Do
Protecting your MetaMask account is mostly about protecting your recovery phrase and your local device. Use a unique, strong password for the wallet, enable device-level security (biometrics or passcode on mobile), and keep the extension/app updated. Consider using a hardware wallet (like Ledger or Trezor) for high-value holdings — MetaMask supports hardware wallet integrations so you can approve transactions on the secure device while keeping the convenience of MetaMask's interface.
Connecting MetaMask to dApps
One of MetaMask’s core uses is connecting to decentralized applications (dApps) — decentralized exchanges, NFT marketplaces, DeFi protocols and more. When a dApp requests a connection, MetaMask will show a permission prompt listing accounts and requested data. Review requests carefully: confirm which account is selected, check the contract address and the action being requested (for example, token approvals can grant recurring access — be cautious). Approve only the actions you intend.
For advanced users, MetaMask allows custom RPC networks, token imports, and contract interactions. Use these features with care: adding custom tokens or networks is powerful but increases exposure to misconfiguration or malicious networks.
Mobile App vs Browser Extension
MetaMask provides both a browser extension and a mobile application. The extension is great for desktop dApp interactions and browser-based workflows, while the mobile app is optimized for on-the-go use and biometric unlocking. Your secret recovery phrase can be used to sync or restore across devices, but always import via the official MetaMask channel when prompted. Avoid third-party installers or modified clients — stick to the official MetaMask site or trusted app stores.
Troubleshooting & Recovery
Common login issues include forgotten local passwords or lost extension sessions. If you still have your secret recovery phrase, you can restore the wallet on any device. If you do not have the recovery phrase, options are limited; MetaMask cannot restore funds without it. For suspicious activity, immediately revoke permissions (via MetaMask’s settings or third-party permission managers), move funds to a clean wallet if possible, and contact the relevant dApp or exchange support for help.
Ready to get started? Use the Quick Links panel to download, install, or open MetaMask from official resources.