An Online Public Auction Protocol Protecting Bidder Privacy.
K. Q. Nguyen and J. Traore

On-line auctioning is one of the fundamental services for the new Internet economy. Most current auction services are public auction where all bids are made available to any party. User privacy is a primary concern in electronic world because electronic environment facilitates the gathering of personal data. This paper proposes a public auction protocol that achieves bidder privacy using binding group signatures. A concrete solution for preventing defaults in auctions is also presented.