nostr:npub1tcekjparmkju6k83r5tzmzjvjwy0nnajlrwyk35us9g7x7wx80ys9hjmky Isn't that what you proposed?
nostr-one is a beautiful one-line web component that allows login with nostr on any website using just a single tag. Great work from dolu89
Try it here: https://nostr-one.dolu.dev/
Discussion
I thought of it, yes. Wouldn't call it "proposed".
Very neat, thanks for pointing it out to me!