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Byzantine fault-tolerant alliance chain consensus method and system for power consumption information protection and storage medium

A technology of power consumption information and consensus, applied in the information field, can solve problems such as risk and system availability reduction, and achieve the effects of system performance improvement, view replacement times reduction, and network overhead reduction

Pending Publication Date: 2020-09-01
STATE GRID JIANGSU ELECTRIC POWER CO ELECTRIC POWER RES INST +3
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Problems solved by technology

In addition, in the PBFT algorithm, the replacement of the master node is generated in turn, which is risky. If the successive replica nodes elected as the master node are all Byzantine, the availability of the system will be greatly reduced.

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  • Byzantine fault-tolerant alliance chain consensus method and system for power consumption information protection and storage medium
  • Byzantine fault-tolerant alliance chain consensus method and system for power consumption information protection and storage medium
  • Byzantine fault-tolerant alliance chain consensus method and system for power consumption information protection and storage medium

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Embodiment Construction

[0020] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments.

[0021] The present invention provides a Byzantine fault-tolerant consortium chain consensus method (CBFT) oriented to electricity information protection, comprising the following steps:

[0022] 1) Build a blockchain node credit evaluation model based on the BP neural network, and select the node with the highest credit as the master node through the blockchain node credit evaluation model:

[0023] The original PBFT algorithm adopts the method of electing the master node in turn. This method causes the view to be replaced after the malicious master node is elected, which greatly reduces the system performance. In this step, this problem is solved by changing the master node election method. The BP neural network is A kind of multi-layer neural network based on error backpropagation algorithm can flexibly model sample data and reveal the hidden...

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Abstract

The invention discloses a Byzantine fault-tolerant alliance chain consensus method and system for power consumption information protection and a storage medium, and the method comprises the steps thata blockchain node credit model is built, and a node with the highest credit is selected as a main node through the blockchain node credit model; the transaction initiator broadcasts transactions andpackages the transaction requests into blocks; the main node generates a proposal message from the block and signs the proposal message; after the slave node receives the proposal information, the legality of the proposal is verified, when the verification result is illegal, recording is carried out, the consensus is given up, and a view replacement protocol is initiated; the verified slave node enters a confirmation stage, executes the block transaction and replies a message to the client; and consensus is reached according to the node reply message condition received by the client, and eachnode executes block chaining. According to the method, the probability that the Byzantine node is the main node is reduced, so that the view replacement frequency is greatly reduced, and the system performance is effectively improved.

Description

technical field [0001] The invention belongs to the field of information technology, and relates to a switching technology in the case of high-speed movement in a wireless mobile communication network, in particular to a Byzantine fault-tolerant alliance chain consensus method for power information protection, its system, and a storage medium. Background technique [0002] The smart grid improves the efficiency, reliability and economy of the power grid in an automated way, thereby optimizing the management and operation of the power grid. With the mature application of intelligent measurement technology, more accurate, convenient and economical power meter reading and real-time monitoring meter reading have greatly improved the efficiency of meter reading, enabling power companies to adjust power supply more scientifically and quickly, optimizing power supply and consumption. The balance of supply and demand between electricity can effectively avoid redundant power generati...

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Application Information

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IPC IPC(8): G06Q20/38G06Q40/04G06N3/04G06N3/08H04L9/32
CPCG06Q20/3825G06Q40/04G06N3/08H04L9/3247H04L9/50G06N3/045
Inventor 刘洋黄强张国江贾骏胡成博杨景刚张照辉陶风波刘子全徐江涛路永玲徐阳王真
Owner STATE GRID JIANGSU ELECTRIC POWER CO ELECTRIC POWER RES INST
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