Jay481985 Posted January 22, 2011 Share Posted January 22, 2011 http://www.mint.com/blog/trends/credit-card-code-01202011/ Quote Link to comment Share on other sites More sharing options...
JJkizak Posted January 22, 2011 Share Posted January 22, 2011 I would need another computer to perform those calculations, but then again a vender might have a program in there software for verification. If it's approved it doesn't matter anyway. Approval/non approval happens in seconds. JJK Quote Link to comment Share on other sites More sharing options...
Guest " " Posted January 22, 2011 Share Posted January 22, 2011 it takes more than a fake card to create a problem. the card number is normally electronically processes for verification and instant funds transfer. Even on an Iphone, the all accepts the card number, zip code, and 3 digit code on the back. this info is processed along with the name and in less than a second, funds are transfered, once you get a transaction number. so even if you are out at a flea market, you still can get validation. Quote Link to comment Share on other sites More sharing options...
toddvj Posted January 24, 2011 Share Posted January 24, 2011 I would need another computer to perform those calculations, but then again a vender might have a program in there software for verification. If it's approved it doesn't matter anyway. Approval/non approval happens in seconds. JJK On a website that accepts credit cards, it is simple to incorporate inuput validation instantly with this logorithm. As soon as the user tabs away from the Credit Card input, data validation can tell them if they entered a valid credit card number. It saves them from filling out the entire form only to have to start over after submitting. Also keeps the website from needlessly taking submissions with invalid CC#s. Quote Link to comment Share on other sites More sharing options...
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