this post was submitted on 21 Apr 2026
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Privacy

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Is it still viable to use Signal for privacy in 2026? It's centralized, and has had many suspicious occurrences in the past.(Unopen source server code, careless whisper exploit which is still active as far as I know, and the whole mobile coin situation.)

Thoughts?

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[–] Spacenut@lemmy.world 0 points 3 weeks ago

When you register with Signal, they do know your phone number. This gives them the information that "the person who owns this phone number is registered with our service." That is not linked in any way to what leaves the client because, I cannot stress this enough, you don't send your phone number or identify yourself in any way to Signal's servers when you send a message. Please take a look at the source code yourself.

I won't be replying anymore, have a great one! There are better things to use my PhD in cryptography for.