Overview

• Bitchat leverages Bluetooth Low Energy mesh networking to relay end-to-end encrypted messages up to 300 meters without internet or cellular service
• The iOS TestFlight beta has reached its 10,000-user cap and the app is now pending Apple App Store approval for a broader release
• A full open-source version on GitHub offers developers setup via XcodeGen, Swift Package Manager or a manual Xcode project
• Dorsey has posted a prominent disclaimer advising against production use until an external security audit is completed
• Independent researchers have reported contact impersonation, forward secrecy gaps and a memory overflow vulnerability