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OtpVault
Zero-knowledge desktop 2FA authenticator
A secure, zero-knowledge desktop 2FA authenticator. Encrypted vault, cloud backup, open source.
Hi Product Hunt! 👋
I'm Hassan, a 16-year-old student and self-taught full-stack developer. I'm super excited to introduce OtpVault today! 🚀
I built OtpVault because I wanted a 2FA authenticator that gives me complete control over my data. Relying on a single mobile device is risky, and most cloud-based authenticators don't offer true zero-knowledge encryption.
So, I built a solution from scratch.
Here is what makes OtpVault special:
🔒 Zero-Knowledge Architecture: Your TOTP secrets are encrypted locally using AES-256-GCM. The key is derived from your password via Argon2id and never leaves your device.
☁️ Encrypted Cloud Sync: Backups are securely synced, but the server never sees your plaintext data.
⚡ Fast & Lightweight: Built with Rust, Tauri, and React, it uses a fraction of the RAM compared to Electron apps.
It is 100% open-source under the MIT license, and the entire build pipeline runs transparently on GitHub Actions.
I would love for you to try it out, review the code, and let me know your thoughts or feedback! I'll be here all day answering your questions.
Thank you for your support! ❤️
About OtpVault on Product Hunt
“Zero-knowledge desktop 2FA authenticator”
OtpVault was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #140 on the daily leaderboard. A secure, zero-knowledge desktop 2FA authenticator. Encrypted vault, cloud backup, open source.
On the analytics side, OtpVault competes within Open Source, Privacy, GitHub and Security — topics that collectively have 123.8k followers on Product Hunt. The dashboard above tracks how OtpVault performed against the three products that launched closest to it on the same day.
Who hunted OtpVault?
OtpVault was hunted by Hassan Magdy. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of OtpVault including community comment highlights and product details, visit the product overview.
Hassan Magdy