Virtual shop computer network system which displays member shops and member shop certification method

摘要

A computer network system includes a first computer (C) of a first corporation having a plurality of member shops and a second computer (B) of a second corporation which is the member shop of the first corporation and runs a virtual shop on a network. The first computer includes a memory (Cj) for storing display information indicating that a corresponding shop is the member shop of the first corporation, a memory (Cg) for storing encryption information for encrypting the display information, and an output section (Cc) for encrypting the display information by the encryption information and outputting the encrypted display information. The second computer includes a reception section (Bb) for receiving the encrypted display information through the communication line, and a memory (Bf) for storing the received encrypted display information.