If you can name alternatives with similar functionality made by people who are not affiliated with crypto, I’m all ears
https://tox.chat/index.html maybe this, didn’t try it, but it says it has audio/video calls and file sharing.
How strict are you on going with full p2p, because xmpp is federated(not p2p) and it has nice network of servers working a long time and ok clients to use, Conversations being the best imo. Some of my friends switched their family and friends to xmpp and complaints at all
super meat boy