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Safety monitoring method and device for block chain network

A technology of security monitoring and blockchain, which is applied in the computer field, can solve problems such as whether the blockchain network has Byzantine fault-tolerant characteristics, etc.

Pending Publication Date: 2020-05-26
北京笔新互联网科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Embodiments of the present invention provide a security monitoring method and device for a blockchain network, to solve or at least partially solve the defect in the prior art that it is impossible to obtain whether the blockchain network has Byzantine fault tolerance characteristics

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  • Safety monitoring method and device for block chain network
  • Safety monitoring method and device for block chain network
  • Safety monitoring method and device for block chain network

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Embodiment Construction

[0033] 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 creative efforts fall within the protection scope of the present invention.

[0034] In order to overcome the above-mentioned problems in the prior art, the embodiment of the present invention provides a security monitoring method and device for a blockchain network. Whether the network is Byzantine fault tolerant.

[0035] figure 1 It is a schematic flowchart of a security monitoring method for a blockchain network provi...

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Abstract

The embodiment of the invention provides a safety monitoring method and device for a block chain network. The method comprises the following steps: implanting Trojans into a plurality of nodes in a blockchain network, so that the plurality of nodes become Trojan nodes; sending an activation instruction to a plurality of Trojan horse nodes to enable the Trojan horse nodes to publish malicious transactions; and after the malicious transaction is issued, monitoring the operation condition of each node in the blockchain network, and judging whether the blockchain network has the Byzantine fault tolerance feature or not according to the operation condition of each node. According to the security monitoring method and device for the blockchain network provided by the embodiment of the invention,the Byzantine node is constructed for attacking, and other Byzantine nodes are discovered, so that whether the block chain network has the Byzantine fault tolerance characteristic or not can be judged, and security monitoring is carried out on the block chain network.

Description

technical field [0001] The present invention relates to the field of computer technology, and more specifically, to a security monitoring method and device for a blockchain network. Background technique [0002] The blockchain system directly achieves a consistent record of transactions at the nodes through the consensus mechanism. The so-called consensus mechanism is that the nodes in the blockchain, including honest nodes (normal nodes) and malicious nodes, reach a consensus on how to write a block. [0003] The Byzantine Fault Tolerance consensus algorithm (BFT, Byzantine Fault Tolerance) that establishes consensus in the blockchain system can effectively improve the fault tolerance rate of the blockchain network. However, it is impossible to judge whether the blockchain network has Byzantine fault tolerance characteristics. Therefore, monitoring the security of the blockchain network by detecting whether the blockchain network has Byzantine fault tolerance characterist...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q20/38G06Q40/04
CPCG06Q20/389G06Q40/04
Inventor 杨文韬王强史磊张泰林庄开宇
Owner 北京笔新互联网科技有限公司
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