Free Credit Cards (kind of)

So I was reading my Economist the other day and I came across this interesting article about math and credit card validation. I found it very intriguing and even mentioned to the other Villagers that I was going to do a post on it. I won't go into why it took me so long to finally post, suffice to say I'm an idiot, but the article is there for all of you to read.

Well, that's not the end of it. I spent an hour the other night figuring out that "reverse number" means reverse the whole credit card number. The Darkcoding site explanations right here and right here as well as the Wikipedia explanation here help clarify what is going on. The Darkcoding site is pretty neat, I'm sure Elroy will enjoy it. Meanwhile, with all that time on your hands, you can verify that the Bank of Nigeria card that your friend King William sent you with a $12 million credit limit really is fake.