> I wonder if there has been any attempt to modernize these systems to make them cryptographically secure, biometrically verifiable, or anything like that. The

> I wonder if there has been any attempt to modernize these systems to make them cryptographically secure, biometrically verifiable, or anything like that. There has been[0]! ISO 18013-5. My understanding is that individual facts like "isOver18" or "isOver21" can be signed by the issuer (the state) so that you can present proof of age without giving any other information (including precise age), though it's up to the state to actually do this and not just sign e.g. "birthdate". [0] https://www.mdlconnection.com/implementation-tracker-map/ https://www.mdlconnection.com/implementation-tracker-map/