> Any centralized identity system solves a problem we don't have. You already have one, SSN and similar absolutely count and allow aggregate different data. No

> Any centralized identity system solves a problem we don't have. You already have one, SSN and similar absolutely count and allow aggregate different data. Not to mention that you're absolutely forgetting about the fact that humans don't have a lot of entropy, k-anonymous data is not what we have by-default. You are wrong about a centralized system "providing a way to aggregate data" it just makes it easier. I live in a country that actually gives citizens access to a centralized identity system and I'd say it has solved much more than you're giving credit for.