I'd argue that it's actually impossible if the target group is not technically skilled. Discord has too many different clients, just the key exchange would be a

I'd argue that it's actually impossible if the target group is not technically skilled. Discord has too many different clients, just the key exchange would be a nightmare for the average person. TeamSpeak tried to use keys for their profile management but everybody I know just simply regenerates their keys when they freshly install TeamSpeak, so it's effectively useless when combined with E2E encryption.