I am actively building non-magical human verification technology that doesn't require you uploading your retinal scans or ID to billionaires or incompetent outsourcing firms.
Great! Lets do the CAPTCHA-test: Will I, as a 100% blind user, be able to complete your process?
The technical implementation is the easy part. The hard part is achieving mass voluntary cooperation under adverse incentive schemes.
We already have it and we use it to validate the trusted human maintainer involvement behind the linux packages that power the entire internet: PGP Web Of Trust. Still works as designed and I still go to keysigning parties in person.