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Block chain transaction rapid confirmation method and system

A blockchain and block technology, applied in the computer field, can solve the problems of complex process, high message complexity, affecting the transaction confirmation speed in the blockchain, etc., to improve transaction confirmation speed, ensure normal confirmation, and facilitate expansion. Effect

Pending Publication Date: 2019-09-17
ZHONGAN INFORMATION TECH SERVICES CO LTD +1
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Problems solved by technology

The above consensus algorithm needs to perform two votes, the process is relatively complicated, and due to the high complexity of message transmission in the network in the Byzantine algorithm, the speed of block confirmation and the scale of network nodes are limited, which affects the stability of transactions in the blockchain. confirmation speed

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  • Block chain transaction rapid confirmation method and system
  • Block chain transaction rapid confirmation method and system
  • Block chain transaction rapid confirmation method and system

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Embodiment Construction

[0045] In order to make the purpose, technical solutions and advantages 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 accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only Some, but not all, embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0046] In order to solve the problem that the consensus mechanism adopted by the consortium chain in the prior art will cause its block confirmation speed and the network node scale to be limited, the present invention provides a fast confirmation method and system for blockchain transactions, which can improve The blockchain can confirm the transaction speed, and can ...

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Abstract

The invention discloses a block chain transaction rapid confirmation method and system. The method comprises the steps that S1, a proposal node packages a transaction into a block and broadcasts the block to a node participating in consensus; S2, the nodes participating in the consensus verify the blocks, if the verification is passed, pre-voting is carried out, a threshold signature is used as a digital signature of the pre-voting, and the signed pre-voting is sent to a collection node; S3, when the number of the pre-votes collected by the collection node meets a first preset number, a new signature is recovered according to the threshold signature of the first preset number, a pre-submission vote is constructed according to the new signature, and the pre-submission vote is sent to the node participating in the consensus; and S4, after receiving the pre-submitted votes, the nodes participating in the consensus verify the new signatures, and after the verification is passed, the proposal nodes can upload the blocks to the block chain for storage. By adopting the threshold signature technology and setting the collection nodes, the transaction confirmation speed is increased, and the expansion of the node scale is facilitated.

Description

technical field [0001] The present invention relates to the field of computer technology, in particular to a method and system for quickly confirming blockchain transactions. Background technique [0002] In the consortium blockchain, considering the existence of malicious nodes, the Byzantine consensus algorithm is usually used to support the operation of the consortium chain. The Byzantine consensus algorithm is mainly divided into three stages: the proposal stage, the proposed node selects the transaction and packages and broadcasts it to the nodes of the whole network; the pre-voting stage, the node that receives the proposed block pre-votes the proposed block and broadcasts it to other nodes ; Submission phase, when 2f+1 pre-votes from other nodes are received, enter the submission phase. In the commit phase, pre-commit voting is performed on the proposed block. When there are 2f+1 yes votes in the received pre-commit votes, the block transaction is executed and the pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q40/04G06Q20/42
CPCG06Q20/42G06Q40/04
Inventor 王明瞿争
Owner ZHONGAN INFORMATION TECH SERVICES CO LTD
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