Quantum Sealed-Bid Auction Protocol Based on Semi-honest Model

Han, Yanting; Zhang, Yonghua; Liang, Xiang-Qian

doi:10.1007/s10773-020-04631-w

Cited by 6 publications

(1 citation statement)

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“…They proposed two potential approaches to design the post-confirmation mechanism when the bidders are semi-quantum. In 2020, Han et al [17] proposed a new protocol based on GHZ states that involve a trusted third party and may thus ensure the bidder's anonymity and the accuracy of the bidder's message. With the help of the third party, using quantum sequences as the information carrier of bidding, the auction center and bidders can conduct quantum teleportation to obtain bids.…”

Section: Introductionmentioning

confidence: 99%

A New Quantum Sealed-Bid Auction Protocol with a Set of Local Indistinguishable Orthogonal Product States

et al. 2023

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Quantum sealed-bid auction (QSA) is a special form of transaction with significant applications in the economic and financial fields. Using a unique set of locally indistinguishable orthogonal product (LIOP) states, we propose a new QSA protocol in this paper. In the protocol, the bid message is encoded as a quantum sequence of LIOP states, and the different particles of LIOP states are transmitted separately. Even though an attacker obtains a portion of the particles, they cannot recover the entire bid message because of the local indistinguishability of LIOP states. Once the auctioneer announces the winner’s bid, all bidders are able to confirm the authenticity of their bid. With the help of a semi-honest third party, collusion between the auctioneer and a malicious bidder can be discovered. Finally, our protocol is capable of meeting all requirements for secure sealed-bid auctions through security and completeness analysis. Additionally, the proposed protocol does not require any entangled resources and complicated operations, so it can be easily implemented in practice.

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Section: Introductionmentioning

confidence: 99%