Yogthos on Nostr: I get the impression that most people don't understand how important metadata such as ...

I get the impression that most people don't understand how important metadata such as phone numbers is when it comes to privacy.

For example, by requiring phone numbers, Signal, despite its good encryption, inherently builds a social graph. The server operators, or anyone who gets that data, can see a map of who is talking to whom. The content is secure, but the connections are not.

🧵

#privacy #signal #security #surveillance