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Jack Dorsey Launches Bitchat, a Bluetooth-Based Messaging App That Works Without Internet

Twitter co-founder and former CEO Jack Dorsey has introduced Bitchat, a groundbreaking messaging app that enables encrypted communication via Bluetooth—completely independent of the internet, mobile networks, or even user accounts.

Now available in beta through TestFlight, Bitchat is Dorsey’s latest experiment in building decentralized, privacy-first technology, following his previous backing of platforms like Damus and Bluesky.


Messaging Without Internet, SIM, or Servers

Bitchat operates over Bluetooth mesh networks, allowing nearby devices to communicate peer-to-peer without relying on cellular networks, SIM cards, or traditional servers.

“It’s a personal experiment in Bluetooth mesh networks, relays and store-and-forward models, message encryption models, and a few other things,” Dorsey explained.

Messages hop from device to device in real-time. As users move, their phones form temporary clusters—effectively extending the range of communication through overlapping connections. This makes Bitchat particularly useful in environments with internet restrictions, blackouts, or surveillance.


Key Features of Bitchat

  • 🔒 End-to-end encryption for one-on-one messaging
  • 🛡️ Password-protected group chats using hashtag-based room discovery
  • 📤 Store-and-forward delivery, allowing messages to be delayed until recipients reconnect
  • No phone number, SIM, or account required — the app collects no user metadata
  • 📱 Local message storage, with no cloud servers involved
  • 🔜 WiFi Direct integration (planned), for even broader offline reach

A Tool for Protesters, Activists — and the Offline World

Bitchat draws inspiration from Hong Kong’s 2019 protests, where demonstrators relied on Bluetooth-based apps to organize without government surveillance. The app embodies similar ideals: privacy, resilience, and decentralization.

Dorsey’s advocacy for user sovereignty and open protocols has remained consistent since his time at Twitter. With Bitchat, he continues pushing the boundaries of censorship-resistant communication.


What’s Next?

While Bitchat is currently in beta testing on iOS, its open-source white paper is already available on GitHub, inviting developers to explore or contribute to the protocol.

In an age of increasing data surveillance and infrastructure dependency, Bitchat offers a radical alternative: a communication tool built not just for convenience—but for freedom.

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