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Supply chain query method and device based on block chain

A query method and supply chain technology, applied in the field of supply chain query based on blockchain, can solve the problem that suppliers are not easy to know

Inactive Publication Date: 2019-01-08
BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If some distributors sell counterfeit products, it is not easy for suppliers to know

Method used

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  • Supply chain query method and device based on block chain
  • Supply chain query method and device based on block chain
  • Supply chain query method and device based on block chain

Examples

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Embodiment Construction

[0052] In the following, only some exemplary embodiments are briefly described. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and descriptions are to be regarded as illustrative in nature and not restrictive.

[0053] figure 1 A flowchart showing a blockchain-based supply chain query method according to an embodiment of the present invention. Such as figure 1 As shown, the method includes:

[0054] Step S11, receiving a supply chain query request from a query node, where the supply chain query request includes product identification information.

[0055]Step S12, using the identification information of the product to obtain the supply chain information of the product in the block chain.

[0056] Step S13 , using the supply chain information to obtain the characteristics of products at each node in the supply c...

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PUM

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Abstract

The embodiment of the invention provides a supply chain inquiry method and device based on a block chain. The method comprises the following steps: receiving a supply chain query request from a querynode, wherein the supply chain query request includes identification information of a product; obtaining supply chain information of the product in a block chain by using identification information ofthe product; obtaining product characteristics of each node on the supply chain by using the supply chain information to determine whether there are abnormal nodes; returning a query result to the query node. The embodiment of the invention stores the supply chain information of the product in the block chain. The common understanding mechanism of block chain can be used to prevent the supply chain information of products from being tampered with, and the traceability of block chain can be used to obtain the product characteristics of each node in the supply chain, so whether there are abnormal nodes or not is determined, and each node in the supply chain is facilitated to optimize their own supply mode.

Description

technical field [0001] The present invention relates to the technical field of the Internet, and in particular to a blockchain-based supply chain query method and device. Background technique [0002] The supply chain of a product includes the process from suppliers to users (ie consumers), which starts at the source of supply and ends at the end of consumption. Products need to go through multiple links in the supply chain. For example, from suppliers to distributors at all levels, from distributors at all levels to consumers, there may be multiple transportation links in the middle. Each link may affect the authenticity and safety of the product. [0003] It is not easy for all parties in the supply chain to know the supply status of each other's products, nor do they know each other's goodwill, which is not conducive to managing the supply mode of their own products. For example, suppliers do not know the true sales of their products at various distributors. It is als...

Claims

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Application Information

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IPC IPC(8): G06Q30/00G06Q10/08
CPCG06Q10/0833G06Q30/0185
Inventor 于雅楠李翔魏菱
Owner BAIDU ONLINE NETWORK TECH (BEIJIBG) CO LTD
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