MetaMask Extension - A crypto wallet & gateway to blockchain apps. Pay a visit to the official website by MetaMask. An Ethereum Wallet in your Browser. MetaMask wallet is an extension for accessing Ethereum enabled distributed applications. The Metamask enables the users to store and manage the account keys, transactions, send and receive the cryptocurrencies, and the tokens. Available as a browser extension and as a mobile app, MetaMask Login equips you with a key vault, secure login, token wallet, and token exchange