2 posts tagged credit card numberClear

Have you ever taken all of your credit cards, spread them out on a coffee table and noticed patterns in the 16 digit numbers? Well, neither have I. But believe it or not, there is a way to verify if the credit cards are the real real or not. Hans Peter Luhn patented an algorithm in 1954 which would

Have you ever taken all of your credit cards, spread them out on a coffee table and noticed patterns in the 16 digit numbers? Well, neither have I. But believe it or not, there is a way to verify if the credit cards are the real real or not. Hans Peter Luhn patented an algorithm in 1954 which would