System and method based on multi-role extensible consensus mechanism

A multi-role, consensus technology, applied in the system field of scalable consensus mechanism, can solve the problems of poor scalability and high complexity, achieve the effect of rapid response, increase throughput, and strengthen the ability to resist adaptive adversaries

Active Publication Date: 2021-04-09
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In order to make the blockchain more widely used, the consensus mechanism based on the partially synchronous network model still needs to solve the problems of high complexity and poor scalability

Method used

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  • System and method based on multi-role extensible consensus mechanism
  • System and method based on multi-role extensible consensus mechanism
  • System and method based on multi-role extensible consensus mechanism

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Embodiment Construction

[0060] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0061] The system and method of the multi-role-based scalable consensus mechanism proposed according to the embodiments of the present invention will be described below with reference to the accompanying drawings.

[0062] The meanings of the parameters involved in this application are shown in Table 1.

[0063] Table 1

[0064] variable name meaning n Total number of nodes pk The public key of the threshold signature scheme sk i

The private key share corresponding to node i in the threshold s...

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Abstract

The invention discloses a system and method for an extensible consensus mechanism based on multiple roles, and the system comprises a committee node authorization and role management module which is used for selecting committee nodes in a consensus network, and carrying out the classification of the committee nodes according to a committee node multi-role scheme and a management rule; a committee consensus achievement module which is used for completing efficient state machine copying of input information through an extensible consensus algorithm based on multiple roles under the condition that the consensus network normally operates; and a committee reconfiguration module which is used for reconfiguring the committee member according to the real-time network state of each node of the committee after view switching occurs in the consensus mechanism. According to the system, the throughput of a consensus mechanism is improved, more committee nodes are supported on the premise of ensuring the availability of the system, the message confirmation time is shortened, the quick response of transactions is realized, and the capability of resisting adaptive enemies is enhanced.

Description

technical field [0001] The invention relates to the technical fields of information security and e-commerce, in particular to a multi-role-based scalable consensus mechanism system and method. Background technique [0002] Due to its tamper-proof, traceable features, collective maintenance, and information sharing model, blockchain technology has been used in pilot applications in many fields such as finance, banking, databases, Internet of Things, supply chains, and commodity traceability, and has a wide range of applications. application prospects. [0003] As the core technology of the blockchain, the consensus mechanism determines how the participating nodes agree on some specific data, which is related to many important features of the blockchain such as security, scalability, and decentralization. The quality of the consensus design is the key to whether blockchain autonomy can enter a virtuous circle. Consensus mechanisms can be divided into two categories: blockcha...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/08H04L9/32H04L29/06H04L29/08G06Q40/04
CPCH04L9/085H04L9/3255H04L63/12H04L67/1095H04L9/321H04L63/1441G06Q40/04H04L9/50
Inventor 张宗洋荣康胡斌刘翔宇李威翰刘建伟
Owner BEIHANG UNIV
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