Why do postal savings bank cards always charge fees indiscriminately? It was charged for no reason today 100. The information display is a quick deduction. Why?

The reason why the postal savings bank card has been deducted and then the information is displayed is fast deduction: because the bank card needs to deduct a certain annual fee every year. Bank card annual fee includes credit card annual fee and online banking annual fee. Some debit cards charge an annual fee, and some banks waive the annual fee. Credit cards generally charge an annual fee, and the fee is high. The annual fee varies from several hundred or the bank card may have batch business, and a certain business fee will be deducted.

Express delivery amount is the amount paid by express delivery. If the information is clearly deducted, it may be the handling fee paid; If the information is secretly withheld, it is an illegal operation, and you can report it and ask for a refund.

Express payment means that users do not need to re-open online banking when purchasing goods, but only need to provide information such as bank card number, account name and mobile phone number. After the bank verifies that the mobile phone number is correct, the third party payment sends the mobile phone dynamic password to the user's mobile phone number, and the user can complete the payment by inputting the correct mobile phone dynamic password.

Fast payment is an innovative payment concept several years ago. Convenient and fast, it is the development trend of future consumption. Its characteristic is "fast". Expanding the function of fast data payment is a milestone, lowering the threshold of online payment and improving security.

Take Alipay as an example. When users register for authentication for the first time, they need two-way network authentication. First, they need to authenticate real-time information through the Internet and banks. In addition, for transactions with a large amount, Alipay will manually call back the user to confirm whether it is its own operation. If I confirm that I didn't operate it, I can intercept the funds in time and return the bank card.

Hidden charge deduction form: the software sends a charge deduction short message to a fixed number by private message in the background; Privately transmit the user's mobile phone number and other information to the server in the background, and after obtaining the specified short message content, send a subscription short message to subscribe to the charging service; Intercept or block the operator's receipt SMS, automatically reply to confirm the subscription SMS, and then delete the subscription information.