Bitchat
What it's for
Jack Dorsey’s mesh messenger: nearby phones relay messages hop by hop, with no internet, server or account.
Why it matters
End-to-end encryption (AES-256-GCM) and a “panic mode” that wipes everything with three taps on the logo.
For whom & when Protests and blackouts, alongside Briar. Use with caution.
Caution: unaudited
Its own repo warns it “has not received external security review.” Great for resilience, but don’t stake lives on it yet.
Install & use
- Install from the App Store (iOS) or the APK/GitHub (Android).
- Open the app and pick a nickname. No account to create.
- Nearby devices auto-discover over Bluetooth.
- In danger, triple-tap the logo to wipe everything (panic mode).