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Consensus method of heterogeneous alliance chain

A consensus and alliance technology, applied in the field of communication, can solve the problems of high privacy requirements for stored data, high data sharing overhead, and high scalability requirements, and achieve the effects of increasing scalability, increasing fault tolerance, and maintaining security

Active Publication Date: 2020-07-03
GUILIN UNIV OF ELECTRONIC TECH
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AI Technical Summary

Problems solved by technology

[0004] The present invention mainly solves the problems of the existing block chain technology in the medical field, such as high privacy requirements for stored data, high overhead for data sharing, and high scalability requirements, and provides a consensus method for heterogeneous alliance chains

Method used

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  • Consensus method of heterogeneous alliance chain
  • Consensus method of heterogeneous alliance chain

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Embodiment Construction

[0030] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to specific examples.

[0031] A consensus method for heterogeneous consortium chains, such as figure 1 The specific steps are described as follows:

[0032] (1) Grouping:

[0033] Step 1. Perform an initial grouping according to the number of nodes in the initial network environment, and the members of each grouping include A common nodes and V supervisory nodes.

[0034] The algorithm performs grouping according to the number of nodes in the initial network environment. The initial division of the grouping is performed by referring to the bias-resistant distributed random number of OmniLedger. There are A+V members in the group members of a group. In fact, since each supervisory node is in two different groups at the same time, and the supervisory nodes of a group are in different groups...

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Abstract

The invention discloses a consensus method of a heterogeneous alliance chain, which is combined with an RAFT algorithm on the basis of a PBFT algorithm and uses a layered structure, so that the communication overhead of data transmission between nodes is effectively reduced, and the consensus method is more suitable for being applied to industrial Internet of Things with a large number of devicesand complex communication. The number of nodes participating in consensus in the block chain can be expanded, and the expandability is improved; besides, a supervision mechanism and a restart mechanism are added, so that the error-tolerant rate is increased, the safety is kept, and the information interaction requirement in the medical field is met.

Description

technical field [0001] The invention relates to the field of communication technologies, in particular to a consensus method for heterogeneous alliance chains. Background technique [0002] How to ensure the security and privacy of medical data is the core issue of the medical industry. The storage and sharing of medical data involves multiple industries such as government, research institutes, pharmaceutical factories, and insurance companies, and their information interaction increasingly reflects heterogeneity, complexity, and confidentiality. The traditional security access technology cannot meet the needs of its information exchange platform security, low cost and good scalability. [0003] Blockchain has become the best solution for medical data storage and sharing because of its decentralization, immutability, low cost, and the ability to manage complex permissions with multiple signatures. However, not all blockchain solutions are suitable for medical applications. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08H04L12/18
CPCH04L67/10H04L12/185
Inventor 黄冬艳任英琦王波付中卫冯彤陈斌李浪肖培剑
Owner GUILIN UNIV OF ELECTRONIC TECH
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