MetaMask is a widely used cryptocurrency wallet and gateway to blockchain apps, serving millions of users worldwide. As a browser extension, MetaMask allows users to …MetaMask is a popular cryptocurrency wallet that allows users to store, manage, and interact with Ethereum and ERC-20 tokens. Here are some key features and steps for setting up MetaMask:User-Friendly Interface: MetaMask offers an intuitive interface available as a browser extension for Chrome, Firefox, Brave, and Edge, as well as a mobile app for iOS and Android¹. This makes it easy for both beginners and experienced users to navigate.