发现卡（Discover Card）的安全码叫做 Cardmember ID ，有3位数字，平印在信用卡背面签名栏上。 运通卡（American Express）的安全码叫做 CID （Card Identification Number），有4位数字，平印在信用卡正面信用卡卡号上方。

2024年3月15日 · Use this guide to find out what these numbers mean, what they’re used for and how they help protect your credit card. CVV stands for Card Verification Value, and CVC stands for Card Verification Code. Debit and credit cards have this number on …

A card security code (CSC; also known as CVC, CVV, or several other names) is a series of numbers that, in addition to the bank card number, is printed (but not embossed) on a credit or debit card.

The CVV/CVC code (Card Verification Value/Code) is located on the back of your credit/debit card on the right side of the white signature strip; it is always the last 3 digits in case of VISA and MasterCard. Please copy your CVV/CVC code from the …

2020年6月17日 · CVV stands for card verification value code. It’s a 3-4 digit number used as an extra security measure to verify your card-not-present transactions. You’ll need it when shopping online or over the phone, where you can’t enter your …

2024年10月14日 · Though CVV stands for “Card Verification Value,” you might also know this series of digits as a CVC, CSC, CVN, or CID, depending on the card issuer. CVV numbers are usually used by online merchants to verify that the buyer has physical access to the card.

2024年8月2日 · What is CVC on a Card? CVC stands for Card Verification Code, a crucial security feature designed to protect cardholders and prevent fraud. This small, three or four-digit number is printed on your credit, debit, or prepaid card and …

CVC (Card Validation Code) and CVV (Card Verification Value) are comprised of three to four digits used to authenticate online or over-the-phone transactions. All of the major card networks include a CVC/CVV on their cards.

CVV/CVC is a security feature that takes card transactions to the next level of safety. It's a three- or four-digit code you'll find on credit and debit cards – usually on the back for Visa, Mastercard, and Discover, or on the front for American Express.

2025年2月6日 · The CVV (Card Verification Value) or CVC (Card Verification Code) is a three- or four-digit security code printed on debit cards. It helps verify the authenticity of a transaction when the card is used online or in a card-not-present environment.