I am not confident Tor doesn't allow a Stateless relay to be placed between you and your own Tor relay. For me, the safe way is to hardcode the relay's pubkey in the app to make sure only that key can decode incoming payloads and the relay only take encrypted msg from that key
Discussion
You don’t know how tor works
Probably. But I also can't find proof that somebody can't put a server in between my phone and my server. https://security.stackexchange.com/questions/215155/how-does-tor-protect-against-mitm-attacks-between-the-client-and-relay-nodes
