Biometrics are public keys you can’t throw away or hide. 

That’s why recognizing them can be the basis for tractable and sybil-resistant federated blocking (eg no-fly lists, Face ID).

AI can be trained to recognize these. Only non-AI alt is monopolistic unique identifiers like passports.

Blogger at ribbonfarm.com, running summerofprotocols.com, host of /gloom ☀️

There is a large chasm between a human identity and the humans's consent to its use. Tech exploited this in the last decade chasing marketing dollars, governments will continue exploiting this because "safety".