Comment by RpFLCL

Even if they can't be traced back to a name/photo identity, it would still be a privacy disaster if you could only make one proof per service.

If a user can only make one then they'll have to use that identity with that service forever. That's a nightmare for privacy. Sometimes people need another account, unknown to their employer/family/friends. People should be able to make multiple accounts without those being tied together through a common "age check" identifier. But, of course, there is no way to prevent those from being distributed.

At some level I believe that's the purpose behind some of this. If someone can only have one proof, then someone can only have one account to speak with. They'll be easier to monitor, easier to identify, easier to silence. That's why I think these types of laws and behaviors should be resisted and protested.

I've mentioned in a previous comment that it's telling that big tech isn't resisting these totally-just-coincidental ID laws coming from western countries. It supercharges their surveillance and tracking abilities, and widens their moats.

Also, porn is a smokescreen. The definition of "adult" content will rapidly expand, and these put the ID issuers in censorious a position of control over people and services. Nothing stops a government attestation server from rejecting a request because someone is blacklisted from "mass communication services" because they're a felon, protestor, LGBT activist, etc... or because a service has fallen out of favor.