A philosophical project for an open source non-government ID: https://memdeklaro.github.io/
Article: https://medium.com/@memdeklaro/self-declaration-of-identity-memdeklaro-de-identeco-5fd96231da44
There’s no central database, just a self-declaration of your (self-chosen) name, birth date, photo and signature that you print yourself.
Looks similar to the Digitalcourage ID (https://shop.digitalcourage.de/gadgets/lichtbildausweis-mit-selbst-waehlbaren-daten.html) and World Citizen Passport (https://worldcitizengov.org/what-is-the-world-passport/).
This is like those silly fake IDs that the sovereign citizen goofballs use, and as such it would fail at being an ID in the same ways.
While not helpful for privacy, the truth is that the only reason a state ID has any value is because it comes from a ‘trusted’ source who verifies the information on it. An ID that isn’t issued by a trusted source has no value, as it would be no different from me just asking the person holding it who they are, they can say whatever they like, just as their printed card could say whatever it likes.
It’s like enabling https on your website with a self-signed certificate. Cool but worthless as an indication of validity to anyone but yourself.
I think you could use long-term identities online as a form of ID based on trust scores. If I go up to ten people and say I am shortwave surfer, then those people can all say yes, I have met shortwave surfer, and he is the same person to all ten of us, etc.