This post was originally published at One-click Login with Blockchain: A MetaMask Tutorial

Online 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.

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This post was originally published at One-click Login with Blockchain: A MetaMask Tutorial