Show HN: Secure, keyboard-less login. Implemented using state machines

Gif &#x2F; Demo: https:&#x2F;&#x2F;imgur.com&#x2F;a&#x2F;Z0TO5eM<p>App: https:&#x2F;&#x2F;emberclear.io<p>Technologies Used:<p>* Statecharts (via XState - https:&#x2F;&#x2F;www.npmjs.com&#x2F;package&#x2F;xstate)<p>* WebWorkers (via promise-worker-bi - https:&#x2F;&#x2F;www.npmjs.com&#x2F;package&#x2F;promise-worker-bi)<p>* NaCl for cryptography (via tweetnacl - https:&#x2F;&#x2F;www.npmjs.com&#x2F;package&#x2F;tweetnacl)<p>* QR Code Scanning (via jsqr - https:&#x2F;&#x2F;www.npmjs.com&#x2F;package&#x2F;jsqr)<p>* QR Code Reading (via qrcode - https:&#x2F;&#x2F;www.npmjs.com&#x2F;package&#x2F;qrcode)<p>* WebSockets (via Phoenix Channels &#x2F; phoenix - https:&#x2F;&#x2F;www.npmjs.com&#x2F;package&#x2F;phoenix)<p>The PR on GitHub that implemented it: https:&#x2F;&#x2F;github.com&#x2F;NullVoxPopuli&#x2F;emberclear&#x2F;pull&#x2F;733