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Using Signal groups for activism
(micahflee.com)
Welcome! This is a community for all those who are interested in protecting their privacy.
PS: Don't be a smartass and try to game the system, we'll know if you're breaking the rules when we see it!
Some of these are only vaguely related, but great communities.
Yes. The client uses what's called "remote attestation" to verify its talking to, not just official servers, but official server code published on github. Read more about it here: https://signal.org/blog/building-faster-oram/
To put it simply, they're using the same technology that allows DRM protected videos to play back on your computer/phone/tablet, but against their own servers, to ensure its not a rogue host or code.