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What's with Telegram? Heard mixed opinions on it.
(lemmy.world)
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this post was submitted on 12 Dec 2025
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Privacy
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Telegram is not FOSS. The client is, but the server-side implementation is not, which is important if you consider the fact that encryption is turned off by default.
I don't think that is disqualifying, because you can't control what is running on someone's else machine anyway. It's centralization that is the problem.
If it was impossible for the other side to read the content of the messages, I'd agree. Hence, why it is less problematic that Signals server software is closed source.
There's a FOSS version of signal called molly that's opensource.
That's a signal client, not server. While I think there are reimplementations of the signal server that you can theoretically use, you'll be bound to only communicating with people also connecting through that server (ie no federation)
You are 100% correct.