Zero-knowledge proofs are unworkable for age verification because they can't prevent use of somebody else's credentials.
The same argument could be said for other age verification methods. Nothing stops a kid from getting their older cousin to verify their identity for something and it will never be possible to prevent this.
loading story #47366493
The people proposing these laws presumably think imperfect enforcement is better than no enforcement at all. In the non-zero-knowledge case, it's possible to revoke falsely shared credentials.
loading story #47364085
loading story #47367213