jm =8á³71ºTï.Ð
¼¶ÄÓUÁP#ûkRcèLKeyPort code could probably help with that. Problem is key negotiation. Anyone with two peoples contact codes can eavesdrop on the conversations.
https://whatsonchain.com/tx/05eac93bcee6c1402cbcf163ee44089d0ef7f06b23fddb7d5103521e61a4e101