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| The paper presents a distributed 2nd-price proxy auction protocol that doesn’t require bidders to be constantly online after submitting their bid-chains in P2P network. That is, bidders can be offline other than submitting their bid-chains, and other peers in the P2P network conduct the auction process instead. During the whole protocol, bid-chains containing lower prices will be discarded remaining encrypted forms, and only the one containing highest price is left. Compared with other auction protocols, our protocol has properties of sealed-bid along with distributed bid auction, and it allows the bidders to submit their bids asynchronously meanwhile keeps all the losing bids unrevealed even after the auction is resolved. |
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| Keywords:proxy auction;P2P;privacy preservation |
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