Rather than having to load a battery, e-ink display, etc. onto a credit card why not develop a common smartphone app for all credit card companies that's sort of a cross between Google Authenticator ...

US-based PNC Bank is in the middle of a pilot project that aims to test out credit cards with constantly changing card verification values (or CVVs) to reduce online credit card fraud. The dynamic CVV ...

Aside from the card number itself, the CVV is one of the most important numbers on your credit or debit card. This three- or four-digit code is designed to prevent fraud. “The CVV was first devised as ...

The location of your credit card's CVV, or security code, varies based on what credit card you have. The three- or four-digit CVV number makes fraud more difficult, since it acts as a form of ...