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IOS Software Wireless Networking

Jack Dorsey's Bluetooth Messaging App Bitchat Now On App Store 30

Jack Dorsey's new app Bitchat is now available on the iOS App Store. The decentralized, peer-to-peer messaging app uses Bluetooth mesh networks for encrypted, ephemeral chats without requiring accounts, servers, or internet access. Dorsey said he built it over a weekend and cautioned that it "has not received external security review and may contain vulnerabilities..." TechCrunch reports: The app's UX is very minimal. There is no log-in system, and you're immediately brought to an instant messaging box, where you can see what nearby users are saying (if anyone is actually around you and using the app) and set your display name, which can be changed at any time. [...] Dorsey has not directly addressed the fake Bitchat apps on the Google Play store, but he did repost another user's X post that said that Bitchat is not yet on Google Play, and to "beware of fakes."
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Jack Dorsey's Bluetooth Messaging App Bitchat Now On App Store

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  • by Digital Avatar ( 752673 ) on Tuesday July 29, 2025 @07:01PM (#65554112) Journal
    ...is it "bit-chat" or "bitch-at"?
    • Re: (Score:2, Insightful)

      by Anonymous Coward
      I give this app three days, at most, before it's banned for some arbitrary political reason.
      • by Xarius ( 691264 )

        How would it be banned? If it is decentralised--most people who care about this sort of thing know how to sideload an app.

  • Meshtastic (Score:2, Flamebait)

    by blackomegax ( 807080 )
    I'd rather use Meshtastic. 915mhz range not 10 foot BTLE, and sounds like the exact same deal.
    • by Anonymous Coward

      915mHz? Are you communicating with submarines?!

    • I'd rather use Meshtastic. 915mhz range not 10 foot BTLE, and sounds like the exact same deal.

      If you want secure local communications for example a cruise ship (WiFi), airplane or camping in BFE Briar is a good option... Bluetooth coded PHY isn't terrible. Otherwise I agree Meshtastic is a better fit for longer range and the hardware is basically free.

  • It's hard to believe that after 25 years of Bluetooth, he is the first one to come up with a Bluetooth chat app.

    Yes, it's impressive to write that over one weekend, so yes, his status as Rockstar developer is probably justified, but what's new about that app? Even with a mesh, bluetooth range is not that impressive to be useful for anything where privacy/secrecy would matter as the recipient could probably WATCH the sender typing the message on his screen.....

    Is there any promise that bitchat has that goes

    • It's hard to get anybody to use Briar since you must unlock every single time, no choice. I briefly considered running a local fork in-house without that requirement so others would use it.

      And Meshtastic needs hardware.

      This all reminds me of Broadcast that supported LocalTalk Phase I *and" Phase II.

      circa, what, 1988?

      Maybe Bluetooth 6 will have enough range to be useful?

  • Don't apps like this already exist? I remember during the plandemic people were suggesting apps like this in case the world infrastructure collapsed.
  • by fuzzyfuzzyfungus ( 1223518 ) on Tuesday July 29, 2025 @07:55PM (#65554214) Journal
    I, for one, totally distrust The Man enough to roll the dice on tech Rasputin's "it's, like, secure; but nobody qualified has checked" option.
  • Another reason for schools to ban cellphones.
  • by Mean Variance ( 913229 ) <mean.variance@gmail.com> on Tuesday July 29, 2025 @09:04PM (#65554376)

    I can only think of a few uses either for a purpose or random fun. I used to have an app from early iPhone days called AirChat that was bluetooth chat. I only used it once when the family was split up on an airplane. This was before all the airlines opened up basic messaging apps. It worked pretty well, but that was it. I think it's gone now.

    I could see random chats from fun to weird to creepy -- mostly the latter when solo in a bar.

    What else given that we're all on wifi and pretty solid cell networks. Heck even basic satellite messaging works now too.

    • Maybe during protests or other gatherings where instant, anonymous communications about threats and conditions would help save lives?

nohup rm -fr /&

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