Briar is a messaging app designed to be used by groups of people to allow for secure and censorship resistant communications.

This technically isn’t self hosted in the strictest sense but I think it is still relevant.

      • TheButtonJustSpins@infosec.pub
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        1 day ago

        It transfers across other peers; you don’t have to have a direct connection to the recipient, just an eventual connection to them.

        • Victor@lemmy.world
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          19 hours ago

          But you have to directly connect to other people’s devices via Bluetooth along the way, right? Like a relay race of handing over the message until you either reach a network, or the recipient?

            • Victor@lemmy.world
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              8 hours ago

              If not, it goes against everything I thought I understood about Bluetooth 😆 Curious to know how it actually would work.