I could see those two things working together, earn a badge for linking. #[3]​ could issue badges.

don’t love the centralized domain system, but it does work and scale better than a general mark. I think will talked about removing the checks from damus. I’d like to use my domain hack as a my only “name” crossed nostr. And bluesky has proven this is a very popular method of identifying. A little bit of old internet is ok.