| 摘要 |
PROBLEM TO BE SOLVED: To provide a method with which electronic account settlement is enabled while using a password number just once for electronic mail. SOLUTION: Generally, a credit card is used for electronic account settlement but there is uneasiness because it is watched in on-line mode. Therefore, the password number just for one transaction is sent through two routes to an electronic account settlement financial institute 4 without using any credit card and using any conventional password number as well. Namely, transfer is executed through collation while directly turning one route from the destination to order to the electronic account settlement financial institute 4 and directing the other route from an ordering person 1 through the destination to order to the electronic account settlement financial institute 4. In this case, the electronic account settlement can be safely performed with easy level-up of system by automatically generating a password number, which can be decoded only by the electronic account settlement financial institute 4, or automatically converting it in case of retransmission. Besides, any account settlement institute such as the provider of internet or a credit card company, which completes a procedure for automatically transferring the payment of client, except for the electronic account settlement financial institute 4 can become a paying institute for the electronic account settlement of ordering person 1. |
