MetaMask Chrome is a browser extension that serves as a digital wallet for Ethereum-based cryptocurrencies and enables interaction with decentralized applications (dApps). The Beacon Chain is a core component of Ethereum 2.0, facilitating the transition to a more efficient proof-of-stake consensus mechanism and improving scalability and security in the Ethereum network.
https://sites.google.com/metsmask.com/metamaskchrom/home
https://sites.google.com/beaconchas.com/beaconchainn/home