Eli5 point if CVV

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The three digit code in the back never made sense to me. I have heard it’s supposed to identify bank cards but I have seen a lot of cards with the same CVV. What do they do?

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4 Answers

Anonymous 0 Comments

Their purpose is to confirm that you actually have the card in hand. Some websites, or things like google or apple wallet allow you to save the card number but not the cvv (or Csc). It’s not fool proof by any stretch of the imagination, but it is safer on the grand scheme of things than getting you to share your pin online.

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