Vauchi Documentation

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

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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 accounts — 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 Vauchi and exchange your first contact

• FAQ

  Answers to common questions

• Security

  How we protect your data

• Our Principles

  Why we built Vauchi the way we did

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

• iOS: Coming soon
• Android: Coming soon
• Desktop: Coming soon (macOS, Windows, Linux)
• CLI/TUI: Available for developers

Source Code

GitLab · GitHub Mirror

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Your privacy matters. Vauchi is built to prove it.