> All three Signal apps (at the time of writing this comment) use E2EE with minimal metadata leakage. Three most important metadata of a message is sender, rec

> All three Signal apps (at the time of writing this comment) use E2EE with minimal metadata leakage. Three most important metadata of a message is sender, receiver, time. AFAIK all three are available to Signal server (while sender, receiver identified at least by IP address).