> work at a European identity wallet system that uses a zero knowledge proof age identification system

> derives an age attribute such as "over 18" from a passport or ID, without disclosing any other information

Well, as soon someone points their chinaphone camera on a passport, it is already over.

This whole setup is a nightmare fuel.

You want to check over 18? Fine, let adults set their kids devices in a "child" mode. Problem solved.

No need to create a stasi dreamland.