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Block chain consensus algorithm and system based on hierarchical authority, and storage medium

A blockchain and consensus technology, applied in the blockchain field, can solve the problems of hierarchical structure or affiliation that does not provide a solution, malicious nodes do not have Byzantine fault tolerance, and multi-node communication complexity is high, and the frequency of view replacement is reduced. , the effect of improving consensus security and reducing algorithm complexity

Pending Publication Date: 2022-04-08
NAT UNIV OF DEFENSE TECH
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Problems solved by technology

[0003] Among the existing alliance chain consensus algorithms, the PBFT algorithm has Byzantine fault tolerance, but the multi-node communication complexity is high, which affects the operating efficiency of the system; the Raft algorithm has a relatively high consensus speed, but it does not have Byzantine fault tolerance for malicious nodes.
And neither of the two types of consensus algorithms provides an effective solution to common hierarchical structures or affiliations

Method used

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  • Block chain consensus algorithm and system based on hierarchical authority, and storage medium
  • Block chain consensus algorithm and system based on hierarchical authority, and storage medium
  • Block chain consensus algorithm and system based on hierarchical authority, and storage medium

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Embodiment Construction

[0028] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0029] The block chain consensus algorithm based on hierarchical authority in the embodiment of the present invention operates in the authentication alliance of the dynamic control network model, and provides consensus sorting services for the block chain network, thereby supporting dynamic control transactions.

[0030] A blockchain consensus algorithm based on layered authority in the embodime...

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Abstract

The invention discloses a block chain consensus algorithm and system based on hierarchical authority and a storage medium. In the method, an authority value is initialized for each consensus node in the block chain, the consensus nodes are divided into two groups according to the initialized authority value, a Raft consensus algorithm is executed in the first group, a leader node selected through the Raft consensus algorithm and the consensus nodes in the second group form a PBFT consensus decision group, and the PBFT consensus algorithm is executed. According to the method, two consensus algorithms are combined, and the method has Byzantine fault-tolerant capability and high consensus speed.

Description

technical field [0001] The invention belongs to the technical field of block chain, and more specifically relates to a layered authority-based block chain consensus algorithm, system and storage medium. Background technique [0002] Consensus is a process in which nodes reach consensus on data or behavior through interaction, and the consensus mechanism defines the protocols and rules of the consensus process. The consensus mechanism ensures that nodes jointly maintain the same "data ledger" under incomplete trust, which is the central link and trust basis for the operation of the blockchain system. [0003] Among the existing consortium chain consensus algorithms, the PBFT algorithm has Byzantine fault tolerance but the complexity of multi-node communication is high, which affects the operating efficiency of the system; the Raft algorithm has a relatively high consensus speed, but it does not have Byzantine fault tolerance for malicious nodes. And neither of the two types ...

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Application Information

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IPC IPC(8): H04L9/32
Inventor 潘永淇魏巍刘毅朱承闫辞
Owner NAT UNIV OF DEFENSE TECH
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