Data from the card is obtained from a magnetic stripe or chip on the card; the latter system is called chip and PIN in the United Kingdom and Ireland, and is implemented as an EMV card.

信用卡数据可由卡片上的磁条或芯片读取。芯片系统在英国和爱尔兰称为芯片和个人身份认证码系统，习惯性地叫EMV卡。

youdao

The CVV is often printed on top of the fragile signature strip, and is never encoded into the data stored on the magnetic stripe.

CVV通常印在脆弱的签名地带，和永远不会被编码进存储在磁条上的数据。

youdao

Pressing the buttons changes the data imprinted on the magnetic stripe, so it still works like conventional plastic and can be swiped through existing card terminals nationwide.

按下按钮的变化对印磁条的数据，因此它仍像传统的工程塑胶，可以通过现有的卡终端刷卡全国。

youdao

After burning the stolen account data onto a blank magnetic stripe card, the criminal is then able to use this new PIN at any ATM.

FORBES: Cybercriminals Phone It In

The most common type of counterfeiting is called skimming, where the data on a card's magnetic stripe is electronically copied and used to make an illegal copy of a genuine card.

BBC: Two credit cards

Others loaded that data onto any plastic card with a magnetic stripe an old hotel key card or an expired credit card worked fine as long as it carried the account data and correct access codes.

WSJ: Global network of hackers steal $45m from ATMs