万事达卡（MarsterCard）的安全码叫做CVC2（Card Validation Code 2），有3位数字，平印在信用卡背面签名栏上卡号后4位处。 发现卡 （Discover Card）的安全码叫做Cardmember ID， …

2021年5月21日 · The CVV2 is a three- or four-digit code printed on the front or back of your credit or debit card. You'll need to provide the CVV2 for many online and phone transactions. The …

2023年1月10日 · A CVV2 code is a three-or-four digit number printed on the back of credit cards, debit cards and prepaid cards (or the front of Amex cards) that you have to provide for security …

The purpose of the code is to verify that a payment card is actually in the hand of the merchant (thus it should be different from CVV2). This code is automatically retrieved when the magnetic …

摘要：CVV，即卡验证值，是印在信用卡背面的三位数或四位数的数字。 阅读本文，了解 CVV 号的用途和意义。 CVV 需要保密，以防止您的卡被未经授权的人员滥用。

1、VISA卡的安全码叫做CVV2（Card Verification Value 2），有3位数字，平印在信用卡背面签名栏上卡号后4位处。 2、万事达卡（MarsterCard）的安全码叫做CVC2（Card Validation Code …

万事达卡 (MarsterCard)的安全码叫做CVC2(Card Validation Code 2)，有3位数字，平印在信用卡背面签名栏上卡号后4位处。 发现卡 (Discover Card)的安全码叫做 Cardmember ID ， 有3位 …

VISA卡的安全码叫做CVV2（Card Verification Value 2），有3位数字，平印在信用卡背面签名栏上卡号后4位处。 万事达卡（MarsterCard）的安全码叫做CVC2（Card Validation Code …

2024年4月15日 · What is a CVV2 Code? The CVV2 (Card Verification Value 2) code is a three or four-digit security feature found on credit and debit cards, designed to enhance payment …

2023年8月29日 · Card Verification Value 2 (CVV2) is a three or four-digit security code printed on payment cards, typically located on the back of the card. Its primary purpose is to provide an …