Comment on: “Secure quantum sealed-bid auction” [Opt. Comm. 282 (2009) 1939] |
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| Authors: | Yuanqing Zheng Zhiwen Zhao |
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| Institution: | aBeijing Normal University, School of Information, Department of Electronics, No. 19, Xin-Jie-Kou-Wai Street, Beijing 100875, China |
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| Abstract: | In a recent paper Opt. Comm. 282 (2009) 1939], a quantum sealed-bid auction protocol was proposed. However, in this comment, it is shown that the protocol does not complete the task of a sealed-bid auction fairly when any bidder colludes with the auctioneer. |
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| Keywords: | Quantum communication Quantum sealed-bid auction GHZ state |
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