"if you need a tool to communicate privately with your friends and family–even if your chats are boring, mundane, and totally legal–#Signal is the best damn choice I can recommend."
is the conclusion after 6 parts of detailed and well explained code review that starts at https://soatok.blog/2025/02/18/reviewing-the-cryptography-used-by-signal/ by @soatok
(Yes, I read all 6 parts. No, I don't claim to understand more than the basics of cryptography, which is why yes, I have to and do trust the author on their conclusions)