Technology
This is the official technology community of Lemmy.ml for all news related to creation and use of technology, and to facilitate civil, meaningful discussion around it.
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Metadata is encrypted on the client-side using Signal's sealed sender implementation. The client also removes as much metadata as possible. All of this is open-source and happens in the client application.
Signal doesn't store phone numbers. It derives a user id from your phone number along with other parameters. It's in the open-source server code, you can check it out yourself.
No you don't. I myself use a fork of Signal called Molly.
Not true again. You don't need to use the official binary that includes Google libraries. These aren't required for the app to function. You can use Signal-FOSS or Molly-FOSS, and it works just fine.
If this was true, forks like Signal-FOSS or Molly wouldn't exist.
Stupid conclusion, because all of your previous points are false
Stop spreading false information, focus on the facts.