Practical Byzantine fault-tolerant algorithm improvement scheme for alliance block chain

Practical Byzantine fault-tolerant algorithm improvement scheme for alliance block chain

The invention relates to the field of block chains, in particular to a practical Byzantine fault-tolerant algorithm improvement scheme for an alliance block chain, which is a consensus scheme capable of being used for the alliance block chain. The consensus algorithm mainly used in the alliance bloc...

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Hauptverfasser: ZHOU ZHENGQIANG, QING XINYI, CHEN YULING
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Sprache:chi ; eng
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CALCULATING
COMPUTING
COUNTING
DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES
PHYSICS
SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR
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creator ZHOU ZHENGQIANG
QING XINYI
CHEN YULING
description The invention relates to the field of block chains, in particular to a practical Byzantine fault-tolerant algorithm improvement scheme for an alliance block chain, which is a consensus scheme capable of being used for the alliance block chain. The consensus algorithm mainly used in the alliance block chain is a practical Byzantine fault tolerant algorithm (PBFT), but the PBFT algorithm has the problems of low security, low efficiency and the like. According to the method, the characteristics of the alliance block chain are utilized, and an improved PBFT (Credit Recurrent PBFT, CRPBFT) scheme is provided. In the scheme, a credit mechanism is introduced to monitor the consensus behavior of the node to ensure that the Byzantine node is effectively checked out, so that the probability that the Byzantine node becomes a consensus node is reduced; secondly, nodes are selected according to the resource contribution amount, the reliability and stability of the nodes are guaranteed to the maximum extent, and the system
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subjects CALCULATING
COMPUTING
COUNTING
DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES
PHYSICS
SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR
title Practical Byzantine fault-tolerant algorithm improvement scheme for alliance block chain
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