MetaMask is a self-custody wallet for Ethereum and EVM-compatible networks. It combines a clean mobile app with a fast browser extension so you can connect to dApps, hold and send tokens/NFTs, swap and bridge assets, and manage approvals—without leaving one interface.
Quick Facts
- Product: MetaMask (non-custodial, seed-phrase based)
- Platforms: iOS & Android apps • Browser extensions (Chrome, Firefox, Brave, Edge)
- Networks: Ethereum mainnet + EVM L2s/sidechains (Arbitrum, Base, Optimism, Polygon, BNB Chain, Avalanche, zkSync Era, Linea, and more)
- dApps: Injected provider on desktop; WalletConnect on mobile
- On/Off-ramp: Buy crypto via integrated fiat providers (availability varies by region)
- Hardware wallets: Ledger and Trezor support for cold-storage signing
How It Works (at a glance)
- Install & create/import a wallet on iOS/Android or add the browser extension. Back up your recovery phrase securely.
- Add networks you use (Ethereum, Arbitrum, Base, Optimism, Polygon, etc.) or let dApps suggest them.
- Fund your address via on-ramp, bridge, or transfers.
- Connect to dApps and review permissions before approving.
- Swap or bridge assets directly in the wallet when needed.
- (Optional) Connect a hardware wallet (Ledger/Trezor) for cold-storage keys with MetaMask as the interface.
