Friday, October 19, 2012

Credit Card Numbers Are Not Random: How To Read & Understand Them Yourself

Credit Card Numbers Are Not Random: How To Read & Understand Them Yourself: "You may have heard before that credit card numbers follow a certain pattern and structure so that they can be validated before a transaction is accepted. However, it’s one thing to know that the structure is there and another thing entirely to understand how credit card numbers work."

'via Blog this'

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