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Block chain verification method, device and apparatus and storage medium

A verification method and blockchain technology, applied in the field of devices, equipment and storage media, and blockchain verification methods, can solve the problems of double spending, waste of node storage space, doubts about the authenticity of data, etc., so as to ensure the validity. Effect

Active Publication Date: 2018-12-11
SHANGHAI DAJIAYING INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the non-mining consensus algorithm, if there is an error in the source data before it is added to the blockchain, the authenticity of the subsequent data will be doubted, and the storage space of the node will be wasted, a large number of meaningless blocks will be generated, and there will be May lead to "double spend" problem

Method used

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  • Block chain verification method, device and apparatus and storage medium
  • Block chain verification method, device and apparatus and storage medium
  • Block chain verification method, device and apparatus and storage medium

Examples

Experimental program
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Embodiment 1

[0044] figure 1 It is a flowchart of a blockchain verification method provided by Embodiment 1 of the present invention. This embodiment is applicable to the situation where the block verification node performs data verification on the financial transaction data in the block to be verified. This method can be implemented by the district The verification device of the block chain can be implemented by means of software and / or hardware, and can generally be integrated in a computer device, which can be a device that assumes a block chain node. Correspondingly, such as figure 1 As shown, the method includes the following operations:

[0045] S110, the block verification node receives the block to be verified sent by the block generation node, and the block generation node is a node elected by setting a consensus mechanism.

[0046] Among them, the blockchain network can be a public chain or a consortium chain. A blockchain network can include a base chain, the main chain, as w...

Embodiment 2

[0065] figure 2 It is a flow chart of a blockchain verification method provided by Embodiment 2 of the present invention. This embodiment is embodied on the basis of the above-mentioned embodiments. In this embodiment, two types of financial transaction data are given. The specific implementation of data verification for the transfer-out account respectively. Correspondingly, such as figure 2 As shown, the method of this embodiment may include:

[0066] S210, the block verification node receives the block to be verified sent by the block generation node, and the block generation node is a node elected by setting a consensus mechanism.

[0067] S220. The block verification node acquires financial transaction data in the block to be verified; the financial transaction data includes: at least one piece of historical data identification information associated with historical financial transaction data.

[0068] S230. The block verification node obtains historical transaction ...

Embodiment 3

[0099] image 3 It is a flow chart of a blockchain verification method provided by Embodiment 3 of the present invention. This embodiment is applicable to the case where the block generation node obtains the verification result of the block to be verified. This method can be verified by the blockchain This device can be implemented by means of software and / or hardware, and can generally be integrated in a computer device, which can be a device that assumes a block chain node. Correspondingly, such as image 3 As shown, the method includes the following operations:

[0100] S310, the block generation node generates a block to be verified and sends it to the block verification node of the blockchain network, and the block generation node is a node elected by setting a consensus mechanism.

[0101] Wherein, the block to be verified includes financial transaction data, and the financial transaction data includes: at least one historical data identification information associated...

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Abstract

The embodiment of the invention discloses a block chain verification method, device and apparatus and a storage medium. The method comprises the following steps: a block verification node receives a block to be verified sent by a block generation node, and the block generation node is a node selected through a set consensus mechanism; the block verification node obtains financial transaction datain the block to be verified, wherein the financial transaction data includes at least one historical data identification information associated with the historical financial transaction data; the block verification node performs data verification on the financial transaction data in the block to be verified according to the historical data identification information of the financial transaction data. The technical scheme of the embodiment of the invention can effectively avoid the wrong data from being added into the block chain, thereby ensuring the validity of the data in a block chain network.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of blockchain, and in particular, to a blockchain verification method, device, equipment, and storage medium. Background technique [0002] Blockchain is a new application model of computer technologies such as distributed data storage, point-to-point transmission, consensus mechanism, and encryption algorithm. In a distributed node system, nodes compete to obtain the right to process data as block generation nodes; the generated blocks are verified and confirmed by other nodes before being stored. The above operating mechanism makes it almost impossible for the data recorded in the block to be tampered with in the blockchain. [0003] In the existing technology, the blockchain mainly solves the trust and security issues of transactions, so one of the distinctive features is the distributed ledger. Specifically, the nodes in the blockchain system deliver transaction requests or a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q20/40G06Q40/04
CPCG06Q20/401G06Q40/04
Inventor 邱俊炜
Owner SHANGHAI DAJIAYING INFORMATION TECH CO LTD
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