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Consensus method applied to block chain

A blockchain and block technology, applied in the blockchain field, can solve problems such as Byzantine Fault Tolerance

Active Publication Date: 2019-10-01
HANGZHOU YUNXIANG NETWORK TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the traditional Paxos algorithm, Raft algorithm and its variants do not consider Byzantine fault tolerance

Method used

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  • Consensus method applied to block chain
  • Consensus method applied to block chain
  • Consensus method applied to block chain

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Experimental program
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Embodiment Construction

[0070] In order to clearly illustrate the present invention, the technology of the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0071] (1) figure 1 It is a flow chart of the consensus mechanism of the present invention based on the rapid finality of the block chain, and the steps embodied in it are:

[0072] Step 1: First use the DPoS consensus algorithm to generate blocks and broadcast them;

[0073] Step 2: Use the BFT method to verify and vote on the generated blocks, and the blocks that pass the BFT verification and voting can be written to the blockchain;

[0074] Step 3: After voting, analyze the temporary fork encountered in the process of writing the block, select the corresponding main chain according to the height of the block, and synchronize the block on the selected main chain and broadcast it to other connections The nodes reach a consensus;

[0075] Step 4: Verify the synchronized ...

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Abstract

The invention discloses a consensus method applied to a block chain, which combines two common consensus methods of DPOS and BFT, modifies the two common consensus methods, designs a previous non-rollback block scheme, realizes non-rollback of the block chain, ensures consistency of block chain consensus, and cannot be tampered after consensus is achieved. According to the scheme provided by the invention, the consensus has fast final performance, the network fault problem caused by malicious tampering is reduced, and therefore, in order to ensure that the honest nodes, namely the nodes of theprogram of the running community, can be kept consistent, the consensus method with the fast final performance is designed, and the transaction confirmation time is shortened.

Description

technical field [0001] The invention belongs to the technical field of block chains, and in particular relates to a consensus method applied to block chains. [0002] technical background [0003] Blockchain is a low-level open source technology, including computer technology, which is a collection of new application modes such as distributed data storage, point-to-point transmission, consensus mechanism, encryption algorithm, etc. features. Through the chain composed of countless blocks, the blockchain forms a whole with a more transparent and secure link whose performance far exceeds the simple sum of individuals, saving a lot of time and cost. In the era of big data, blockchain technology is becoming more and more important. In addition to data collection and analysis, data exchange and sharing have also become very important. The databases stored in the blockchain from all walks of life and even different units in the same industry are generally customized according to ...

Claims

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Application Information

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IPC IPC(8): G06Q40/04
CPCG06Q40/04
Inventor 黄步添石太彬周伟华苑振霞张维赛刘振广
Owner HANGZHOU YUNXIANG NETWORK TECH
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