MetaMask is a web browser extension and mobile app that allows you to manage your Ethereum private keys. By doing so, it serves as a wallet for Ether and other tokens, and allows you to interact with decentralized applications, or dapps.
Unlike some wallets, MetaMask keeps no information on you: not your email address, not your password, and not your Secret Recovery Phrase or other private keys. You retain all power over your crypto-identity.For detailed information on specific topics such as blockchain technology, tokens, swaps, Layer 2 networks and the rest, scroll down to "Next Steps".Configuring your privacy settings When installing the MetaMask extension, you'll be able to adjust privacy settings one-by-one to ensure the app is set up according to your privacy preferences.To do this, simply hit the 'Advanced configuration' button in the wallet set-up process. Here you can toggle/configure settings including: