Exchange contact cards in person. Update your info anytime.
End-to-end encrypted. No accounts. No tracking.
- Meet someone → Scan their QR code
- Stay connected → Update your card anytime, they see the changes
- Stay private → End-to-end encrypted, zero-knowledge relay
- No accounts — Your device is your identity
- No tracking — No analytics, no telemetry, no ads
- No trust required — We can't read your data, even if we wanted to
- Open source — Verify our claims yourself
| Component | Technology |
|---|---|
| Core | Rust, Signal Protocol (X3DH + Double Ratchet) |
| iOS | SwiftUI |
| Android | Kotlin/Compose |
| Desktop | Tauri + SolidJS |
| Crypto | ring (audited, no OpenSSL) |
| Repo | Description |
|---|---|
| vauchi | Meta-repo, documentation, roadmap |
| core | Core library + mobile bindings |
| relay | Zero-knowledge WebSocket relay |
| cli | Command-line interface |
| desktop | Desktop app (Tauri) |
| android | Android app |
| ios | iOS app |
Vauchi is community-funded. No VC money, no data harvesting.
Website • Principles • Roadmap • Contributing
