Block chain consensus mechanism based on credibility model

A reputation and blockchain technology, applied in data processing applications, marketing, finance, etc., can solve problems such as malicious nodes and bribery, energy consumption, token hoarding, etc., and achieve the effect of reducing the probability of doing evil

Active Publication Date: 2021-08-27
BEIHANG UNIV
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  • Application Information

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Problems solved by technology

The PoW algorithm relies on computing power to compete, which consumes a lot of energy; the PoS algorithm relies on nodes to hold income to fight for bookkeeping rights, whic

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  • Block chain consensus mechanism based on credibility model
  • Block chain consensus mechanism based on credibility model
  • Block chain consensus mechanism based on credibility model

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Embodiment Construction

[0046] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0047] Reference attached figure 1 , the present invention discloses a block chain consensus mechanism based on reputation model, including: adopting the weighted average method to calculate the reputation of nodes, taking the reputation of other nodes voting for a certain node as the weight, and weighting the reputation of each node particip...

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Abstract

The invention discloses a block chain consensus mechanism based on a credibility model, and the mechanism comprises the steps: employing a weighted average method to calculate the credibility of nodes, taking the credibility of other nodes voted by a certain node as a weight, calculating the final vote number for each node participating in voting, carrying out the sorting of the final scores of all nodes from high to low, taking the scores in front of preset values as candidates for packaging nodes, after the voting process and the packaging process are successfully finished, rewarding the nodes participating in packaging and successful in packaging and the nodes voting for the nodes, punishing the nodes failed in packaging, the nodes disable in packaging and the nodes voting for the nodes, and combining the rewarding and punishing of the node credibility to update the credibility value. According to the invention, during election, voting is carried out by taking the credibility value as a weight, and the packaging nodes are randomly selected, so that the condition of direct selection is prevented; and a reward and punishment mechanism is introduced, so that the probability of malicious node discovering can be effectively reduced.

Description

technical field [0001] The invention relates to the technical field of block chain consensus mechanism, in particular to a block chain consensus mechanism based on reputation model. Background technique [0002] In recent years, service credit has developed rapidly, but there have been some problems in the process of development. The advent of blockchain technology has brought good news to the credit field. Blockchain technology establishes a decentralized consensus mechanism. Through encryption algorithms and consensus mechanisms, participants form A credible environment that checks each other. Blockchain has important application value in solving credit problems. [0003] At present, the consensus mechanisms widely used in the industry are PoW algorithm, PoS algorithm and DPoS algorithm, but all of them have certain shortcomings. The PoW algorithm relies on computing power to compete, which consumes a lot of energy; the PoS algorithm relies on nodes to hold income to fi...

Claims

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Application Information

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IPC IPC(8): G06Q10/06G06Q30/02G06Q40/02
CPCG06Q10/06393G06Q30/0226G06Q40/03
Inventor 王理康诗雨杨海军秦冰吴美玉
Owner BEIHANG UNIV
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