>BrowserID means I can't use different browsers easily. Pass. BrowserID requires a single time email verification for a given browser, nothing precludes you fr

>BrowserID means I can't use different browsers easily. Pass. BrowserID requires a single time email verification for a given browser, nothing precludes you from using it with multiple browsers. By definition, it's easier and less intensive than what you're proposing. >A different password on each site is unacceptable. Being locked into lastpass and the like is also unacceptable. I'm not locked into LastPass. There are alternatives and I could hack one together with minimal effort. The other points you bring up have little to do with authentication and more to do with duplication of (often necessary) profile information. There are other solutions for that include extensions to OpenID and oAuth.