GCB Bank PLC - The Card Verification Value (CVV) is a security code used for online payment. Like your ATM Pin, it is a critical piece of information that should be kept
CVV Number and CVV Code on Credit Card and Debit Card
Netcom-rwanda ltd - What is CVV number used for? All financial institutions that issue credit or debit cards have developed a system in which every card is provided with a unique CVV
What is CVV in Debit Card? - Paisabazaar.com
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What is the use of CVV code number printed on the back of your credit card? - All you must know - Buzzing Facts
All 0s (zeros) in a bank card's CVC code - Information Security Stack Exchange