Blogged about the idea of a "digital passport" as SSO service in 2016 -- https://www.heinrichhartmann.com/archive/a-digital-passport-for-digital-citizens https:

Blogged about the idea of a "digital passport" as SSO service in 2016 -- https://www.heinrichhartmann.com/archive/a-digital-passport-for-digital-citizens https://www.heinrichhartmann.com/archive/a-digital-passport-...