What Is a Credit Card CVV Number?
Last Updated Apr 3, 2020 3:22:49 AM ET

A CVV number on a credit or debit card is a three or four-digit number printed on the back of the card used to verify that the user has physical possession of the card when making purchases, according to CVV Number. These numbers are also called card security codes.
MasterCard and Visa issued cards contain three-digit codes printed on the rear of the cards, while American Express cards use a four-digit code located on the front, states CVV Number. The purpose of the CVV number is to prevent fraudulent usage of the credit or debit account by those who have gained access to the card number without the actual card.
More From Reference

What Are the Steps of Presidential Impeachment?

What Does George Soros' Open Society Foundations Network Fund?

The History of the United States' Golden Presidential Dollars

How the COVID-19 Pandemic Has Changed Schools and Education in Lasting Ways

Fact Check: Is the COVID-19 Vaccine Safe?

How Does the 25th Amendment Work — and When Should It Be Enacted?