One-click Login with Blockchain: A MetaMask TutorialOnline users are becoming increasingly resistant to traditional email/password registration processes. One-click social logins via Facebook, Google, or GitHub are better, but they come with data privacy trade-offs. This article introduces a one-click, cryptographically-secure login flow using MetaMask, with all data stored on the app’s own back-end.

MetaMask is one of the indispensible apps of the Ethereum community, a household name that has initiated and shaped the crypto experiences of many. With NFTs, gaming, and DAOs bringing in large waves of new users to web3, wallets continue to be a fundamental building block in the ecosystem — they are the heart and center of all interactions between users and the blockchain.