ELECTRONIC BIDDING/BID OPENING PROGRAM, ELECTRONIC BIDDING/BID OPENING SYSTEM, AND ELECTRONIC BIDDING/BID OPENING METHOD

摘要

An electronic bidding/bid opening program and the like that can verify validity of bidding information, and prove whether the bidding information has been falsified or not. Bidding information, partial identification information that shows each section of the bidding information in a manner identifiable from other sections, a plurality of pieces of information obtained by coding a plurality of suitable places in the bidding information, and information obtained by adding a signature of a person in charge of accepting to information obtained by coding the partial identification information and an amount are obtained. Then, predetermined validity with respect to successful bid processing is verified based on a predetermined combination of any of the plurality of pieces of information.