Interestingly Mozilla tried something like this a while back: https://en.wikipedia.org/wiki/Mozilla_Persona https://en.wikipedia.org/wiki/Mozilla_Persona Sadl

Interestingly Mozilla tried something like this a while back: https://en.wikipedia.org/wiki/Mozilla_Persona https://en.wikipedia.org/wiki/Mozilla_Persona Sadly they cancelled it. (I was actually hired as an intern to work on it, but they stopped paid development between me accepting my offer and my arrival in SF)