http://isdb4l77sjqoy2qq7ipum6x3at6hyn3jmxfx4zdhc72ufbmuq4ilwkqd.onion/blog/20220723-simplex-chat-v3.1-tor-groups-efficiency.html
What we plan to add soon to further improve privacy and security: message queue rotation, so that pairwise identifiers become temporary, and your conversations move from server to server automatically. access to the messaging servers via Tor v3 hidden services. message mixing - adding latencies to message delivery, to protect against traffic correlation by message time. using Tor v3 hidden service addresses for messaging servers. passphrase-based local database encryption....