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Authoritative Proof Consensus Method and System Based on Reputation and Committee Endorsement Mechanism

A committee and consensus technology, applied in the blockchain field, can solve problems such as difficult supervision and inaction of certified nodes, and achieve the effect of solving supervision problems, reducing computing pressure and delay rate, and improving throughput.

Active Publication Date: 2022-01-04
WUHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although efficiency and security are guaranteed, as described in S. De Angelis's "PBFT vs proof-of-authority: Applying the CAP theorem to permissioned blockchain", the proof-of-authority consensus still has the problems of difficult supervision and failure of certification nodes

Method used

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  • Authoritative Proof Consensus Method and System Based on Reputation and Committee Endorsement Mechanism
  • Authoritative Proof Consensus Method and System Based on Reputation and Committee Endorsement Mechanism
  • Authoritative Proof Consensus Method and System Based on Reputation and Committee Endorsement Mechanism

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Embodiment Construction

[0030] The technical solution of the present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0031] Some concepts involved in the embodiments of the present application are introduced below.

[0032] Blockchain gas: In order to prevent the negative behavior of nodes, such as not participating in the verification or not maintaining the entire blockchain, the node reputation is associated with gas, and the authentication node provides services through the blockchain using smart contracts, which will consume gas. After several rounds, gas will be allocated to all authentication nodes according to their reputation. For authentication nodes, maintaining their reputation is very important for revenue, so as to motivate authentication nodes acting as bookkeeping nodes to not do evil and abide by the rules.

[0033] Identity reputation: Using identity reputation as an incentive mechanism, this mechanism will reward nodes tha...

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Abstract

The present invention provides an authoritative certification consensus method and system based on reputation and committee endorsement mechanism. The block chain network is composed of common nodes, bookkeeping nodes, authentication nodes and supervisory nodes; The accounting node collects and verifies the transaction information sent by the common node, and adds the verified transaction to the generated new block; after the new block is verified, a number of nodes are randomly selected from the supervisory nodes to form a committee to submit The signature on the block is endorsed; the bookkeeping node must collect enough supervisory node endorsements to add relevant information to the generated new block. By automatically selecting and motivating bookkeeping nodes through reputation ranking, the present invention can reduce the calculation pressure and delay rate of the blockchain network, and improve the throughput of the blockchain network; solve the supervision problem by introducing a committee endorsement mechanism. The invention provides a low-cost and high-performance technical solution for the alliance block chain and the private block chain.

Description

technical field [0001] The invention belongs to the technical field of block chain, and proposes an authoritative proof consensus method and system based on reputation and committee endorsement mechanism. Background technique [0002] Blockchain technology uses block chain data structure to verify and store data, uses distributed node consensus algorithm to generate and update data, uses cryptography to ensure the security of data transmission and access, and utilizes intelligence composed of automated script codes. A new distributed infrastructure and computing paradigm that uses contracts to program and manipulate data. In essence, it is a shared database, and the data or information stored in it has the characteristics of "unforgeable", "retaining traces throughout the process", "traceable", "open and transparent", and "collective maintenance". Based on these characteristics, blockchain technology has laid a solid "trust" foundation, created a reliable "cooperation" mech...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L67/104H04L9/32G06Q40/04G06Q40/00
CPCH04L67/104H04L9/3247G06Q40/04G06Q40/12H04L2209/68H04L9/50
Inventor 崔晓晖朴杨鹤然
Owner WUHAN UNIV