[conservatism_IS_compassion]

Something must be done about identity theft. Simple text data like date of birth, mother's maiden name, etc are simply too easy to duplicate.

Something should connect the physical person to the transaction. Public key encryption is also a possibility to be considered.

And then there is the perrenial question about identification of voters . . .

[donmeaker]

Biometrics are used for classified material. Sounds like a promising approach.

[TheLion]

"And then there is the perrenial question about identification of voters . . ."

Well, the Democrats say that anything to do with voters proving their identity is intimidating and amounts to harassment.