Any hint of reform in this are brings howls of pain and anguish from the NSPCC, Childline and all the other financially interested parties.
Before you ask no I haven't got anyone's credit card details.
Instead take a look at some of the amusing feedback I have received by e-mail.
Information about CVV2 / CVC / etc numbers can be found here: CVV numbers.
As you can see these would be very hard to calculate without the bank’s keys.
This is precisely why so many countries have a Statute of Limitations.