That is somewhat easy, but I don't need anyone's email address and find it annoying when sites require you to provide it (HN doesn't)

I would love that. Easiest login service I've seen. I'm hoping it gets a lot more traction.

Thanks for posting this. Never heard of it before, but will be taking a look at it now.

I'm considering taking BrowserID (Persona) into production for my MMO: http://www.youtube.com/watch?v=ctp0uWBH7sM

Aside from taking well over a second to verify an assertion, it's great.