What is CVV Number?

The CVV number or, to be more precise, CVV2 is a three-digit or rarely a four-digit code for verifying the authenticity of the plastic card when paying for the goods and services on the Internet. It is used, for example, for depositing funds from a card into a trading account and other types of operations when the card is not present. This code is considered an ultimate confirmation data when one pays by the card via the Internet in any payment systems.

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