this post was submitted on 05 Aug 2023
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You're right, Signal is not P2P. The way Signals messaging pipeline works is like this - note I'm oversimplifying it for accessibility.
Sending a message to
Bob
Send
.Bob
.Bob
- this means Signal's server can see its a unique user, but not what their name is.See their blog post about Private Contact Discovery, they've spent a long time figuring out how to engineer a method to know as little as possible about you.
Thanks for the explanation.