| 摘要 |
PROBLEM TO BE SOLVED: To improve the safety of fund transfer services against illegal uses. SOLUTION: A portable terminal such as a portable telephone terminal and a PHS terminal has its own identification information on a production number, etc., given when shipped from the factory and further has identification information on a user such as a telephone number given when the user buys the portable terminal. In addition to those pieces of identification information, a password applied to the fund transfer services is used to perform authentication of high precision and a communication trader mediates between the user and a bank to support the fund transfer of the user. |
