We regularly learn of cases where criminals have gained access to credit card numbers via keyloggers, skimmers or online hacks.Once they have the credit card numbers, they basically have three ways to turn them into cash:Sell themMake fraudulent purchases on themCreate real-world cards out of themTo create real-world cards, you need blank cards to start with. These are known in the underground as "blank plastic".And there are online stores for blank plastic. Here are some pictures from one:Above: Collection of "blank" Visa and Master Card cards.Above: Gold embossing demo. Still missing the hologram sticker.Above: Finished product. Notice the card holder's name…P.S. Also see our post about credit card holograms.