http://uwb25d43nnzerbozmtviwn7unn7ku226tpsjyhy5n4st5cf3d4mtflqd.onion/posts/e2ee/index.html
Signal Mediums : Video call, voice call, text Metadata protection : Yes (Moderate) Encryption protocol : Signal Protocol, audited ( 2017 ) Peer-to-peer : No Tor : Not default The Signal Protocol has a moderate amount of metadata protection; sealed sender , private contact discovery , and the private group system . Message recipient identifiers are only stored on Signal's servers for as long as it takes to deliver each message.