[k310]

I hadn't thought of that.

Check age of persons but not personhood. How old are LLM's?

How do we check? Ask for a cookie recipe? What person can do that from memory?

[bholley]

The idea is to leverage information from site A (say, a bank) who knows a lot about the user to attest to site B (say, HN) that the user is a real person, without revealing any other information known by site A to site B.

[k310]

That's an interesting trust chain.