Vauchi Documentation

Privacy-focused updatable contact cards via in-person exchange. End-to-end encrypted, decentralized.

What is Vauchi?

Vauchi is a contact card that updates automatically. When you change your phone number, everyone who has your card sees the change.

No sign-up required — Your device is your identity
No phone number required — Exchange contact cards in person
End-to-end encrypted — Only you and your contacts can read your data
Open source — Verify every claim yourself

Quick Links


👤 Getting Started	Set up and exchange
❓ FAQ	Common questions
🔒 Security	Data protection
💜 Our Principles	Why we built it

For Developers

Contributing Guide — How to contribute to Vauchi
Architecture Overview — System design and components
Cryptography Reference — Encryption and key management details

Get the App

Desktop: Coming soon (macOS, Windows, Linux)
CLI/TUI: Coming soon
iOS: Coming soon
Android: Coming soon

Source Code

GitLab · GitHub Mirror

Your privacy matters. Vauchi is built to prove it.