Re: Chips are so 20th century
We have facial recognition ? That is 100% reliable ? I think not. They are endlessly trying to make it work in airports, but we're not there yet.
Eye evaluation ? Do you work in a Level 4 bio lab ? Has anyone ever seen those outside of Hollywood films ? In theory they're great. In practice, they're nowhere.
Multiple other biometric mechanisms ? Really ? Which ones are actually used in your fictional universe ?
Please do realize that you are taking your documentation from the Science-Fiction section of the library.