Data sharing method based on blockchain

A data sharing and blockchain technology, applied in the research field of data sharing methods based on blockchain, can solve problems such as inability to efficiently obtain useful data, data owners losing data control rights, data ownership and data security cannot be guaranteed, etc.

Inactive Publication Date: 2020-08-25
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This model has the following significant disadvantages: First, the data search method is single, and only keyword retrieval or data browsing is provided, and useful data cannot be obtained efficiently; second, the data owner l...

Method used

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  • Data sharing method based on blockchain
  • Data sharing method based on blockchain
  • Data sharing method based on blockchain

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0034] To evaluate the system performance, a prototype system was built. This experiment shows the performance of the core modules of the system, mainly including: indexing performance, transaction blockchain network performance and security computing performance.

[0035] 1) Description of the experimental environment

[0036] The experiment is carried out on 5 ubuntu cloud servers, and the configuration of each server is as follows: the processor adopts Intel(R) Xeon(R) 2.0G, dual CPU; the memory is 2GB; the operation adopts Ubuntu 14.04.5 LTS server, and the kernel version number is 4.4.0-31-generic. The five servers are respectively named node1, node2, ..., node5, among which node4 and node5 store original data sets, which are both data providers and participants in secure computing. Any node in node1-3 can be used as the data demander. All nodes are candidates for block consensus.

[0037] Software implementation relies on open source software architecture, in which t...

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PUM

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Abstract

The invention discloses a data sharing method based on blockchain. The method comprises the exchange problem of the same blockchain and different blockchainse. Therefore, the invention provides an internet architecture-value internet for multi-value asset exchange. The method comprises the steps: determining the definition clearly, preliminarily discussing key technologies such as a hierarchical architecture, a consensus node resource separation model and an asset exchange model, finally carrying out prototype implementation to confirm the feasibility of the model, and laying a research and application foundation for further development of the valuable internet to dispersedly store the data to each node of the network in a distributed manner. Distributed storage is beneficial to improvingthe safety and redundancy of the system, and if data of a certain node is modified, deleted and forged, errors can be found through data of other nodes, and the data can be recovered. Experimental analysis results show that a sharing mechanism provided by the method is feasible and efficient.

Description

technical field [0001] The present invention relates to the technical field of blockchain data sharing, in particular to a research on a blockchain-based data sharing method. Background technique [0002] Data sharing is a prerequisite for mining its potential value from data assets. Traditional data management methods, such as data markets, follow the following management model: data providers upload data to the data market, and data demanders download and analyze data to obtain data value. This model has the following significant disadvantages: First, the data search method is single, and only keyword retrieval or data browsing is provided, and useful data cannot be obtained efficiently; second, the data owner loses control over the data, and data ownership and data security cannot be guaranteed; Finally, data transactions lack transparency and cannot effectively detect fraudulent activities such as collusion among transaction participants. [0003] This method establish...

Claims

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Application Information

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IPC IPC(8): H04L9/08H04L9/06G06Q40/04
CPCH04L9/085H04L9/0631G06Q40/04H04L9/50
Inventor 郭兵沈艳董详千
Owner SICHUAN UNIV
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