There are invite-based systems since the dawn of the internet, notably torrent trackers and closed forums, and mods can see who vouched for them. It’s not worth it unless the community has something unique to offer (i.e. new blueray rips, non-public deals). Adding crypto to it doesn’t add anything of value.

90 minutes of music video montage. I liked it back then too. It looked very video-gamey and edgy.

Weren’t they a tankie? I’ve heard about it a couple of times on Reddit before joining the fediverse but I don’t have proofs myself.