If it's encryoted E2E, then you don't need to inspect the server side to verify that. And the client is FOSS, anyone can inspect it. (It is my understanding tha

If it's encryoted E2E, then you don't need to inspect the server side to verify that. And the client is FOSS, anyone can inspect it. (It is my understanding that group chats are not encrypted; I have not cared to verify that one way or the other, but I could.)