| 摘要 |
The present invention is for use in an electronic auction and in an electronic second price sealed bid auction. The present invention is an efficient and secure privacy protection method and system that protects the opening of sealed bids during a sealed bid auction and preventing fraudulent attempts. The system includes are bidders, an auctioneer, and a semi-trusted third party, each of which is provided with a terminal or a computer system capable of sending and receiving information. The terminals of the bidders communicate with a computer system of the auctioneer over a first network and the computer system of the auctioneer communicates with a computer system of the semi-trusted party over a second network. The first and second networks are either radio or fixed networks.
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