3 Questions: How to prove humanity online
“3 Questions: How to prove humanity online” by Adam Zewe:
https://news.mit.edu/2024/3-questions-proving-humanity-online-0816
white-paper: “Personhood credentials: Artificial intelligence and the value of privacy-preserving tools to distinguish who is real online” by researchers from MIT.edu, OpenAI / Microsoft, and other tech companies and academic institutions: