| 摘要 |
PROBLEM TO BE SOLVED: To provide a commerce-assisting method which increases the safety of commerce carried out over a computer network, such as the Internet. SOLUTION: This method complements safety of the commerce established on a communication media (the Internet 2), such as the computer network, by being interposed between the seller (computer 8) and buyer (computer 10) of the commerce to send and receive an article and its money, in place of the seller and buyer. |
