Cyph3rp9nk on Nostr: Signal tests usernames that keep your phone number private ...
Signal tests usernames that keep your phone number private
https://www.bleepingcomputer.com/news/software/signal-tests-usernames-that-keep-your-phone-number-private/
https://www.bleepingcomputer.com/news/software/signal-tests-usernames-that-keep-your-phone-number-private/