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Talk:Card security code

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This is an old revision of this page, as edited by 207.233.79.134 (talk) at 22:27, 4 August 2005. The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
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Is the CVV2 number related to the actual credit card number? Is it a random number? Or is there some other way that the card issuer selects the CVV2 number to put on a card?

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