An important point that I didn't see mentioned: Signal implements the "Sealed Sender" feature in order to encrypt metadata (as much as possible). https://theha

An important point that I didn't see mentioned: Signal implements the "Sealed Sender" feature in order to encrypt metadata (as much as possible). https://thehackernews.com/2018/10/signal-secure-messaging-metadata.html https://thehackernews.com/2018/10/signal-secure-messaging-me... That's in my opinion the USP against other (actually or allegedly) E2E platforms like WhatsApp or Telegram.