A phone number can reveal whether a device is active, in standby or offline (and more). This PoC demonstrates how delivery receipts + RTT timing leak sensitive device-activity patterns. (WhatsApp / Signal)
Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots
Decentralized private messenger with chat-shared tools and games for Desktop
Decentralized private messenger with chat-shared tools and games for Android
Elegant Facebook Messenger desktop app
