denim

And finger print reading is not so easy, either. Eventually, DNA checking might become reasonable, but meanwhile we've got visual verification.

Yes, it's not perfect: a person can be horribly disfigured in an auto accident (y'all know what I'm referring to) and still be "them", but not match their driver's license at all. Or the person processing the transaction or whatever it is could be blind, and there you are again.

It's not about the optimal solution yet, but only about one that's as good as we've yet found that's easy to use. That may change later.

Here's another thing: once we manage to use DNA-based checking, someone will figure out a way to get around it...