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Data privacy protection method in supply chain finance based on block chain technology

A data privacy and supply chain technology, applied in digital data protection, finance, database update, etc., can solve problems such as data cannot be isolated, sensitive data is easy to leak, and information access permissions cannot be subdivided, so as to reduce risk control costs Effect

Inactive Publication Date: 2021-11-12
XIAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a data privacy protection method in supply chain finance based on block chain technology, which solves the problems in the prior art that data cannot be isolated, sensitive data inside the enterprise is easy to leak, and different departments in the enterprise have access to information. The problem that permissions cannot be subdivided

Method used

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  • Data privacy protection method in supply chain finance based on block chain technology
  • Data privacy protection method in supply chain finance based on block chain technology
  • Data privacy protection method in supply chain finance based on block chain technology

Examples

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Embodiment

[0065] Step 1, simulate the actual scenario in the supply chain financial reality, such as figure 2As shown, there may be three business processes in the actual supply chain financial scenario, and different virtual lines represent different processes. Business process 1 includes core companies (O1, Organization1), first-level supplier A (O2, Organization2), 2 Level Supplier A (O4, Organization4), Level 3 Supplier A (O6, Organization6), Financial Institution (O9, Organization9); Business Process 2 Contains Core Enterprise (O1, Organization1), Level 1 Supplier A (O2, Organization2 ), Secondary supplier B (O5, Organization5), three-level supplier B (O7, Organization7), financial institution (O9, Organization9); business process 3 includes core companies (O1, Organization1), first-level supplier B ( O3, Organization3), Secondary Supplier A (O4, Organization4), Secondary Supplier B (O5, Organization5), Level 3 Supplier C (O8, Organization8), Financial Institution (O9, Organization9); ...

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Abstract

The invention discloses a data privacy protection method in supply chain finance based on a block chain technology, and the method comprises the steps of firstly building a Hyperledger permission chain network environment, and then deploying corresponding multiple channels according to a multi-business process existing in an actual scene of supply chain finance; adding corresponding Organizations into each channel to represent core enterprises, small and medium-sized enterprises applying for financing and financial institutions; then designing a prepayment financing model, and deploying a chain code for applying for the prepayment financing model by small and medium-sized enterprises and an attribute-based access control chain code in each channel; finally, adding a private database into each channel, so that only authorized organizations can see private data values, and unauthorized organizations can only see corresponding Hash. The method solves the problems that in the prior art, data cannot be isolated, sensitive data in an enterprise is easy to leak, and information access permissions of different departments in the enterprise cannot be subdivided.

Description

Technical field [0001] The present invention belongs to the field of block chains and supply chain finance, and in particular, the present invention relates to a method of data privacy protection based on the supply chain of block chain technology. Background technique [0002] In recent years, with the demand, production method and social division of labor, the model of production commodities is also changed from a single enterprise integrity production, and therefore formed a supply chain, financial institution and other funds. Around the core enterprise management of the fund flow in the middle downstream small and medium-sized enterprise, transforming the uncontrollable risk of a single company into a powerful risk of the overall risks of the supply chain enterprise is called the supply chain finance. Supply chain finance is mainly involved in financial institutions, core companies, small and medium-sized enterprises, etc. At this stage, there is still a difficult problem in ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/27G06F16/23G06F21/62G06Q40/04
CPCG06F16/27G06F16/23G06F21/6245G06Q40/04
Inventor 王尚平刘静毅张亚玲
Owner XIAN UNIV OF TECH
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