[judge2020]

You'd need a law saying that the California DMV or whoever must run an oauth service, and then you'd see people integrate it. As it stands, this isn't a thing because the California DMV and even banks aren't interested in being the populus' IDP.

[Animats]

Banks are into this. JP Morgan Chase uses OAuth2 for some services. It's more of an enterprise thing right now.[1]

[1] https://www.jpmorgan.com/technology/technology-blog/protecti...