Show HN: A CAPTCHA based on 3D spatial recognition
https://spatial-captcha-frontend.vercel.app
I got tired of clicking traffic lights and fire hydrants, so I built a CAPTCHA that asks you to rotate a 3D object to match a target angle.Try it here: https://spatial-captcha-frontend.vercel.appThe idea is simple — humans are naturally good at understanding 3D space, but bots aren't. A bot would need to figure out the spatial orientation of a 3D model rendered in a WebGL viewport, which is a...