Comment by lazzlazzlazz

You generate the secret keys beforehand in your wallet, and then only link them (in zero knowledge) with the iris hash.[1] , [2]

If we're going to be critical, let's at least understand how it works first.

[1]: https://twitter.com/ercwl/status/1684939802083282944

[2]: https://vitalik.ca/general/2023/07/24/biometric.html