China Bank Express Payment Related Provisions:
1. Independence: The security of electronic cash cannot be guaranteed by physical security alone, but by various cryptographic technologies used by electronic cash itself;
2. Non-repetitive expenses: Electronic cash can only be used once, and repetitive expenses can be easily detected;
3. Anonymity: banks and merchants can't track the use of electronic cash, that is, they can't link the purchase behavior of electronic cash users, thus hiding the purchase history of electronic cash users;
4. unforgeability: users can't make counterfeit money, including two situations: first, users can't make effective electronic cash out of thin air; Second, after users withdraw n effective electronic cash from the bank, they can't make effective electronic cash according to the withdrawal and payment information of these n electronic cash;
5. Transitivity: users can transfer electronic cash between users at will like ordinary cash and cannot be tracked;
6. Separability: Electronic cash can not only be used as a whole, but also be divided into smaller parts for multiple use. As long as the sum of the denominations of each part is equal to the original electronic cash, any amount can be paid;
Therefore, the fast payment limit of China Bank cannot be modified.
Extended data:
Fast payment function of China Bank;
1, convergence function
The master account guides many scattered small funds to gather into a fund collection function that can be put into social reproduction. Here, the stock market plays the role of "reservoir" of funds. ?
2. Configure functions
The allocation of resources, the general ledger transfers resources from inefficient departments to efficient departments, so that a society's economic resources can be most effectively allocated to the most efficient or effective use, and the rational allocation and effective utilization of scarce resources can be realized. ?
Step 3 Adjust the function
The regulating effect of personal account on macro-economy. The stock market is connected with depositors on one side and investors on the other. The operating mechanism of the stock market plays a role through its influence on savers and investors.
Baidu Encyclopedia-China Bank
Bank of China official website-China bank credit card use guide