Another is "tokenisation": the devices do not exchange card numbers, but tokens (a sort of digital voucher), making fraud much more difficult.

另一个是动态安全码技术。 即，设备之间只需交换动态安全码而非银行卡号码，这种做法也使得诈骗难上加难。

youdao

Another is "tokenisation": the devices do not exchange card numbers, but tokens (a sort of digital voucher), making fraud much more difficult.

另一个是动态安全码技术。 即，设备之间只需交换动态安全码而非银行卡号码，这种做法也使得诈骗难上加难。

youdao