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Evidence storage method and device based on block chain technology

A technology of block chain and technology, applied in the field of certificate storage method and device based on block chain technology, can solve the problems of protection, unable to store certificate data into the block, etc., and achieve the effect of improving practicability

Active Publication Date: 2021-05-14
山东数字能源交易有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, it is impossible to put all the data stored in the block for protection

Method used

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  • Evidence storage method and device based on block chain technology
  • Evidence storage method and device based on block chain technology
  • Evidence storage method and device based on block chain technology

Examples

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Embodiment Construction

[0035] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments . 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.

[0036] After the third-party organization authorized and recognized by multiple parties builds a certificate sharing platform between enterprises in the industry chain, between enterprises and financial institutions, based on the blockchain technology with traceable information and cannot be tampered with, it will provide enterprises with The user establishes an enterprise access point and establishes a trusted environment between the platf...

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Abstract

The embodiment of the invention relates to an evidence storage method and device based on a block chain technology, and the method comprises the steps: obtaining first evidence storage application data transmitted from a first access node, wherein the first evidence storage application data comprises first user identification data; performing credible data analysis on the first evidence storage application data to obtain first evidence storage text data; encrypting and storing the first storage document data to obtain first storage position data; according to the first user identification data, the first storage document data and the first storage position data, performing uplink data preparation to obtain first uplink ciphertext data; performing uplink processing on the first uplink ciphertext data to obtain first block data; and performing trusted data encapsulation on the first block data to obtain first evidence storage result data, and sending the first evidence storage result data to the first access node. According to the embodiment of the invention, the credibility of the data source can be ensured, the data can be prevented from being tampered, the size of the stored data can not be limited while the traditional block storage structure is not changed, and the practicability of the block chain evidence storage application is improved.

Description

technical field [0001] The invention relates to the technical field of data processing, in particular to a method and device for depositing certificates based on blockchain technology. Background technique [0002] Supply chain financial services are a financing model in which financial institutions center on core enterprises and connect their upstream, midstream and downstream enterprises to provide flexible financial products and services for the entire chain of enterprises. Before providing services to enterprises, financial institutions are required to collect and review the financing project information of enterprises. However, the actual situation is that the office systems between enterprises and between enterprises and financial institutions in the same supply chain cannot communicate with each other, and it is difficult for financial institutions to collect and review information on projects to be financed. It is difficult to provide sufficient service support for ...

Claims

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Application Information

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IPC IPC(8): H04L29/06G06F21/60G06F21/62G06F21/64G06F16/27
CPCH04L63/0435H04L63/0442H04L63/123H04L63/126G06F21/602G06F21/64G06F21/6218G06F16/27H04L9/50
Inventor 戴震
Owner 山东数字能源交易有限公司
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