You have to make it as simple as signing up for Reddit/Facebook/TikTok if you want it to take off. Even a whiff of private key and you start losing normal people. You end up with only tech nerds, or privacy nerds, or some other kind of nerd on your platform. Picking an instance is already too much for most people.
My 2yo is having a bad day, so he’s laying on me and watching the Nightmare Before Christmas. This was a hard 3 paragraphs to read; I’m sorry you, or anyone, had to go through that. I’m gonna hug my son now, until he’s upset again.