比如，银行卡号，护照信息，家庭住址等等。
For example: credit card Numbers, passport details, home address.
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。
Another is "tokenisation": the devices do not exchange card numbers, but tokens (a sort of digital voucher), making fraud much more difficult.
银行卡丢失应立即带护照去银行挂失，补办新卡并将新卡号通知老师；
Immediately report the loss to the bank, re-submit a new card and inform the administrator of the new card number.
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