Not sure how I missed this til now, but this is one of the most exciting NIPs I've seen: https://github.com/nostr-protocol/nips/blob/master/58.md
Discussion
Not all the clients show it yet, I made a nixos one that shows up in Amethyst on my profile if someone wants to see an example. Iris doesn't show it yet sadly.
I'm going to be able to recreate Gleasonator in 2009... (I wish I still had the thumbnails)
Badges are awesome!