HyperCrypt
Device-bound encryption that eliminates password fatigue
What it does
4 years ago, I started building HyperCrypt because users kept forgetting passwords on my event platform. Everyone said "just use AES" and "you're wasting your time." I kept building. HyperCrypt uses device fingerprinting for auto-decrypt on YOUR device. No password needed for yourself. Other devices? Requires password or won't decrypt. 4 years later: comparable security, unique features, production-ready. Launch special: 20% off with code LAUNCH20 Try it: https://hypercryt-11fae.web.app/
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- SKSecretCrypt – Keeping secrets in plain sight2016 · zemanta.github.io · ▲75
- DBDevice-Bound Session Tokens in JavaScript2024 · session-lock.keyri.com · ▲23
Google’s recent announcement of a proposed ‘Device Bound Session Credentials’ feature[1] for Chrome reminded me of a project we worked on last year at my company. We focus on fraud prevention at signup and login (preventing multi-accounting and account theft), but some customers were concerned about post-login security and asked us to add a session hijacking prevention feature to our fraud prevention API. In the end, we decided to just implement a solution in Javascript. We call it session-lock, and it can be used today across all browsers[2] and, theoretically, native mobile apps. For a…
- DDDevicePrint – device fingerprinting without cookiesJan 2026 · ▲21
Hi HN, I built DevicePrint after running into problems with duplicate accounts and unreliable cookies in my own projects. DevicePrint is a lightweight device fingerprinting tool designed for developers. It helps identify devices across sessions without relying on cookies. Use cases include fraud detection, preventing duplicate signups, and security-sensitive workflows. I'd really appreciate feedback — especially around privacy concerns or edge cases you’ve run into. Link: https://deviceprint.io
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