What is the CVV number written on credit and debit cards? Learn now!

CVV number means card verification value, this number is very important from a security point of view. CVV number is used in online transactions. CVV number is asked while doing online transactions. While doing digital transactions, the CVV number confirms that the cardholder is responsible for the payment. CVV number is also an additional layer of security like OTP. It's on the back of the card