Quantum Auctions using Adiabatic Evolution: The Corrupt Auctioneer and Circuit Implementations

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We examine a proposed auction using quantum states to represent bids and distributed adiabatic search to find the winner. When the auctioneer follows the protocol, the final measurement giving the outcome of the auction also destroys the bid states, thereby preserving privacy of losing bidders. We describe how a dishonest auctioneer could alter the protocol to violate this privacy guarantee, and present methods by which bidders can counter such attacks. We also suggest possible quantum circuit implementations of the auctions protocol, and quantum circuits to perpetrate and to counter attacks by a dishonest auctioneer.
26 pages, 10 figures, accepted for publication by International Journal of Quantum Information (IJQI)

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Quantum Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/168532

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0707.2051
 http://arxiv.org/abs/0707.2051
 Int. J. of Quantum Information, Vol. 6, No. 4, August 2008

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