There's a few comments asking for further info on the motivation.
I'll explain my understanding.
Consider what problem CAPTCHA aims to solve (abuse) and how that's ineffective in an age of AI agents: it cannot distinguish "bot that is trying to buy a pizza" vs "bot that is trying to spider my site".
I don't understand Cloudflare's solution enough to explain that part.
I'm glad to see research here, because if we don't have innovation solutions, we might end up with microtransactions for browsing.
I'll explain my understanding.
Consider what problem CAPTCHA aims to solve (abuse) and how that's ineffective in an age of AI agents: it cannot distinguish "bot that is trying to buy a pizza" vs "bot that is trying to spider my site".
I don't understand Cloudflare's solution enough to explain that part.
I'm glad to see research here, because if we don't have innovation solutions, we might end up with microtransactions for browsing.