Electronic commerce system, electronic commerce method, storage media storing electronic, commerce program and electronic commerce program

摘要

An electronic commerce system is provided with a purchaser client used by a purchaser who wants to buy a commodity via the network; a seller client used by a seller who sells the commodity via the network; a commodity information providing server for storing commodity information including a commodity name and a commodity price of the commodity at least and for providing the commodity information which is stored to the purchaser client in response to a request from the purchaser client in the network; and a commercial transaction support server for relating to the commodity information providing server and for supporting a commercial transaction process between the purchaser client and the seller client via the network.