Metamask extension is a browser that functions as a cryptocurrency wallet and gateway to decentralized applications (dApps). It allows users to securely store and manage Ethereum-based digital assets, interact with smart contracts, and access dApps directly from their web browser, providing a seamless and user-friendly decentralized web experience. Metamask Chrome works by creating a secure wallet within your browser. It enables users to manage and interact with Ethereum-based digital assets, execute smart contracts, and access decentralized applications (dApps) directly from their Chrome browser. It connects to the Ethereum network, allowing seamless transactions and interactions with the blockchain ecosystem.