Anonymous auction method and device based on blockchain, and medium

A technology of blockchain and auction items, applied in the field of blockchain, can solve the problem of relying on auctioneers for bids and transactions, and achieve the effect of preventing random or malicious price increases, ensuring order, and preventing denials

Inactive Publication Date: 2021-01-29
山东爱城市网信息技术有限公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

This has led to the fact that the bidding and transaction of the traditional auction method are greatly dependent on the integrity of the auctioneer.

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  • Anonymous auction method and device based on blockchain, and medium

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Embodiment Construction

[0049] In order to make the purpose, technical solution and advantages of this specification clearer, the technical solution of this application will be clearly and completely described below in conjunction with specific embodiments of this specification and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the description, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present application.

[0050] First, the technical concept of the technical solution disclosed in the present invention will be described. There are many risks of privacy leakage in the traditional auction method, and it is difficult to guarantee the fairness and privacy in the auction process. During the auction process, the auction agency has a lot of sensitive information, and the ...

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Abstract

The invention discloses an anonymous auction method and device based on a block chain and a medium. The method comprises the steps of obtaining auction information of auction products, and uploading the auction information to an anonymous auction block chain; obtaining auction information of an auction end, wherein the auction information at least comprises auction bids; randomly generating randomdata based on the auction bid according to the smart contract, and calculating a hash value of the sum of the auction bid and the random data; and comparing the auction bid with the current highest bid on the anonymous auction block chain according to the smart contract, and if the auction bid is higher than the current highest bid, uploading the auction bid and the hash value to the anonymous auction block chain to form a new current highest bid. According to the method disclosed by the invention, the privacy leakage risk in the traditional auction process can be effectively reduced, and theauction end is anonymous on the premise that the whole process is public and verifiable; and in the auction process, the third-party supervision terminal can obtain key data in the auction process, and the auction end can verify the correctness of the auction result.

Description

technical field [0001] The present application relates to the technical field of block chain, in particular to a method, equipment and medium of anonymous auction based on block chain. Background technique [0002] There are many risks of privacy leakage in the traditional auction method, and it is difficult to guarantee the fairness and privacy in the auction process. Auction agencies hold a lot of sensitive information during the auction process. For example, the auctioneer in the auction agency can know the bids of each bidding end, and can also know certain identity information of each bidding end; at the same time, the bidding ends can also know the bids of other bidding ends, or may know the bids of other bidding ends. Identity Information. This has led to the bidding and transaction of the traditional auction method greatly relying on the integrity of the auctioneer. Moreover, in addition to auctions, auctions with bidding as the core have also spawned a variety of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q30/08G06F16/27G06F21/60G06F21/62
CPCG06F21/602G06F21/6254G06Q30/08G06F16/27
Inventor 宋明明肖雪王伟兵李照川樊继硕
Owner 山东爱城市网信息技术有限公司
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