Jack Dorsey, who co-founded Twitter and currently serves as the CEO of Block, introduced the beta version of a new peer-to-peer messaging application on TestFlight. Unlike platforms like WhatsApp that depend on internet access and central servers, Dorsey asserts that Bitchat functions entirely on Bluetooth mesh networks, providing users with genuine decentralization and privacy. He shared “an ugly whitepaper outlining the protocol” on GitHub.
CNBC analyzed the technology and its capabilities. Essentially, Bitchat enables communication between users through Bluetooth connections between devices. The fascinating aspect is that “as users move through physical spaces, their phones create local Bluetooth clusters and relay messages from one device to another, enabling communication with peers beyond the normal range — even without Wi-Fi or cellular networks.”
Messages sent through Bitchat are encrypted end-to-end and aren’t stored in the cloud; they remain on devices and are programmed to delete after a time. As CNBC reports, these messages “never touch centralized infrastructure,” in line with Dorsey’s ongoing advocacy for privacy-focused, censorship-resistant communication.
Dorsey’s post on X has received over 1.3 million views, with beta testers eager to jump in. The TestFlight page is no longer available after hitting its 10,000-user maximum.
my weekend project to learn about bluetooth mesh networks, relays and store and forward models, message encryption models, and a few other things.
bitchat: bluetooth mesh chat…IRC vibes.
TestFlight: https://t.co/P5zRRX0TB3
GitHub: pic.twitter.com/yxZxiMfMH2
— jack (@jack) July 6, 2025
Twitter co-founder and CEO of Block Jack Dorsey launched the beta version of a new peer-to-peer messaging app on TestFlight. Unlike WhatsApp and others like it that rely on internet connectivity and central servers, Dorsey says that Bitchat operates entirely over Bluetooth mesh networks, promising true decentralization and privacy for its users. He made “an ugly whitepaper describing protocol” available on GitHub.
CNBC broke down the tech and its features. In essence, Bitchat allows users to communicate via Bluetooth-connected devices. But here’s where it gets interesting: “As users move through physical space, their phones form local Bluetooth clusters and pass messages from device to device, allowing them to reach peers beyond standard range — even without Wi-Fi or cell service.”
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