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Block chain system and method, electronic equipment and storage medium

A blockchain and cloud storage technology, applied in the field of data interaction, can solve problems such as low efficiency, achieve the effects of ensuring safety, avoiding waste, and reducing storage costs

Pending Publication Date: 2021-03-26
爱信诺征信有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when large data needs to be shared, this method is relatively inefficient. At the same time, since the data trading platform is responsible for managing the public and private keys of blockchain users, there are privacy and security issues for the data.

Method used

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  • Block chain system and method, electronic equipment and storage medium
  • Block chain system and method, electronic equipment and storage medium
  • Block chain system and method, electronic equipment and storage medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] see figure 1 , the embodiment of this application provides a blockchain system, including:

[0059] Data sending module 101, data receiving module 102 and IPFS cloud storage module 103;

[0060] Specifically, the data sending module 101, the data receiving module 102 and the IPFS cloud storage module 103 form a blockchain system, the blockchain system can be a blockchain, the data sending module 101, the data receiving module 102 and the IPFS cloud storage module 103 are Nodes on the blockchain system, blockchain is a distributed ledger technology, transaction accounting is completed by multiple nodes distributed in different places, and each node records a complete account, so they can all participate Supervise the legality of transactions. Blockchain has the characteristics of decentralization, openness, independence, security and anonymity. The blockchain system composed of the data sending module 101, the data receiving module 102 and the IPFS cloud storage modul...

Embodiment 2

[0098] see image 3 , the embodiment of this application provides a block chain method, including:

[0099] S201: The data receiving module initiates a transaction request, and performs proxy re-encryption on the parameters of the transaction request to generate a first ciphertext;

[0100] Specifically, the data sending module, the data receiving module and the IPFS cloud storage module form a block chain system, the block chain system can be a block chain, the data sending module, the data receiving module and the IPFS cloud storage module are the node. Blockchain is a distributed ledger technology. Transaction accounting is completed by multiple nodes distributed in different places, and each node records a complete account, so they can all participate in supervising the legality of transactions. Blockchain has the characteristics of decentralization, openness, independence, security and anonymity. The blockchain system composed of data sending module, data receiving mod...

Embodiment 3

[0137] see Figure 4 , the embodiment of the present application provides an electronic device 30, including a memory 301 and a processor 302, an executable program is stored on the memory 201, and the processor 302 performs the following steps when running the executable program:

[0138] The data receiving module initiates a transaction request, and performs proxy re-encryption on the parameters of the transaction request to generate the first ciphertext;

[0139]Specifically, the data sending module, the data receiving module and the IPFS cloud storage module form a block chain system, the block chain system can be a block chain, the data sending module, the data receiving module and the IPFS cloud storage module are the node. Blockchain is a distributed ledger technology. Transaction accounting is completed by multiple nodes distributed in different places, and each node records a complete account, so they can all participate in supervising the legality of transactions. ...

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PUM

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Abstract

The embodiment of the invention provides a blockchain system. The blockchain system comprises a data sending module, a data receiving module and an IPFS cloud storage module, the data receiving moduleis used for initiating a transaction request and performing proxy re-encryption on parameters of the transaction request to generate a first ciphertext; the data sending module is used for obtainingresult data corresponding to the transaction request according to the first ciphertext; the data sending module is also used for encrypting result data and transmitting a second ciphertext obtained byencrypting the result data to the IPFS cloud storage module; the data sending module is also used for performing proxy re-encryption on the hash value and the key of the second ciphertext to generatea third ciphertext; and the data receiving module is used for downloading the second ciphertext in the IPFS cloud storage module and decrypting the second ciphertext to obtain transaction data. According to the blockchain system provided by the embodiment of the invention, better protection is provided for both parties of data transaction, and meanwhile, the transaction data is transmitted through the IPFS, so that the security of the data can be ensured.

Description

technical field [0001] The embodiments of the present application relate to the field of data interaction, and in particular to a blockchain system, method, electronic device and storage medium. Background technique [0002] Blockchain technology is a distributed ledger technology. Transaction accounting is completed by multiple nodes distributed in different places, and each node records a complete account, so they can all participate in supervising the legality of transactions, and at the same time can jointly testify against it. Due to its technical characteristics, every node on the blockchain, especially the management side of the blockchain platform, can view all the data on the blockchain. At present, most blockchain data sharing methods use public key encryption and private key decryption to share and transmit private data. However, when large data needs to be shared, the efficiency of this method is relatively low. At the same time, since the data trading platform...

Claims

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Application Information

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IPC IPC(8): G06Q20/38H04L9/32
CPCG06Q20/3829G06Q20/389H04L9/3236
Inventor 付长胜方兴王建健李宪英杨凯华张昶洪
Owner 爱信诺征信有限公司