What is MetaMask?
MetaMask is a Cryptocurrency wallet. MetaMask is a bridge that allows you to visit the distributed web of tomorrow in your browser today. It allows you to run Ethereum dApps right in your browser without running a full Ethereum node.
MetaMask includes a secure identity vault, providing a user interface to manage your identities on different sites and sign blockchain transactions. You can install the MetaMask add-on in Chrome, Firefox, Opera, and the new Brave browser.