http://isdb4l77sjqoy2qq7ipum6x3at6hyn3jmxfx4zdhc72ufbmuq4ilwkqd.onion/docs/guide/making-connections.html
Only the person using the address knows who they connect to, via the channel where they found the address (email, social media, etc.). The address owner can only see the user profile of the request, and has no proof of identity from the person sending the request * .