Patent ID: 7054835

Claim:
An electronic commerce server enabling an orderer to give an order to purchase a commercial article at a virtual shop existing on a network by accessing the virtrual shop from a communication terminal used by the orderer, and to receive an article which is a target of a purchase at an agency service trader's place of business other than the home, said server comprising: a receiving unit receiving from the virtual shop a piece of order information of the target article and a piece of information for specifying a desired agency service trader's place for receiving the target article, said respective pieces of information from the virtual shop are initiated via said communication terminal used by the orderer; an issuing unit issuing a piece of identification information unique to and derived from both the orderer and the target article on the basis of the order information; and a confirmation unit confirming, through the agency service trader's place, the identification information received by said communication terminal used by the orderer, wherein said issuing unit includes a generation unit generating the identification information unique to and derived from the orderer and the target article from a one-way function on the basis of the order information received from said virtual shop, and said generation unit sets the identification information so as to contain numerals of specified digits of a telephone number corresponding to said communication terminal used by the orderer that is contained in the order information.