MetaMask Wallet — Your Gateway to Web3
MetaMask is a non-custodial crypto wallet that runs as a browser extension and mobile app, letting you securely manage tokens, NFTs and connect to decentralized apps.
MetaMask gives you direct control over your private keys while providing an approachable interface for sending and receiving cryptocurrencies. Setup starts with installing the extension or app, creating a seed phrase, and choosing a password. That seed phrase is the single most important piece of data — store it offline and never share it.
Beyond basic transfers, MetaMask acts as a bridge to the decentralized web. When you visit a dApp — a marketplace, a game, or a DeFi platform — MetaMask prompts you to approve transactions and manage permissions. You can add multiple networks (Ethereum mainnet, testnets, or layer-2 chains) and import custom tokens. For NFT collectors, MetaMask displays ERC-721 and ERC-1155 assets and lets you interact with marketplaces directly.
- Write down your seed phrase on paper and keep it offline. Avoid screenshots or cloud storage.
- Double-check contract addresses and gas fees before approving transactions.
- Use hardware wallets (Ledger, Trezor) with MetaMask for high value holdings.
- Revoke unnecessary dApp permissions regularly and keep software up to date.
MetaMask balances usability with advanced features. You can customize gas settings for faster confirmation, swap tokens in-wallet through integrated aggregators, and connect multiple accounts. For developers, MetaMask exposes a web3 provider so sites can request signatures and interact with smart contracts programmatically.
In short, MetaMask is designed for people who want control without sacrificing convenience. Treat it like a modern keyring: secure the master keys, use hardware for large amounts, and always verify what you sign. With those habits, MetaMask becomes a powerful and flexible tool for exploring Web3.