A block chain-based data sharing method and system

A data sharing and blockchain technology, applied in the fields of digital data protection, electronic digital data processing, instruments, etc., can solve the problems of missing original data, differences in semantics, weights and measures, and inability to use, to improve data quality, fast and clear interpretation , to ensure the correctness of the effect

Inactive Publication Date: 2019-01-18
南京一目智能科技有限公司
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

If the data property rights cannot be protected, once the data is sold, it will face the risk of being infinitely copied and sold, and the market value of the data will also drop sharply due to the unlimited supply
[0005] (2) Different data quality standards, good and bad
On the one hand, even data in the same format may have semantic and metrological differences
On the other hand, the original data will have gaps and errors, and may also be mixed with a large amount of invalid and garbage data, and some participants will even "mix

Method used

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  • A block chain-based data sharing method and system
  • A block chain-based data sharing method and system

Examples

Experimental program
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Embodiment Construction

[0040] The present invention will be further described below in conjunction with the accompanying drawings.

[0041] Such as figure 1 Shown is a blockchain-based data sharing system, including a client, an access server, a database, a blockchain, and a query server;

[0042] As for the client, the data producer uploads the original data to the access server through the client in a specified format, and at the same time uploads the data access authority setting to the access server.

[0043] The access server sends legal data to the database, and sends data snapshots, access rights settings and operation records of the legal data to the block chain; at the same time, the access server extracts valid data from the database and encrypts them according to the data query request. , feed back the encrypted data to the query server; the access server uses the public key to encrypt valid data;

[0044] The database stores legal data, feeds back the public unique identifier and summa...

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PUM

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Abstract

The invention discloses a data sharing method and a data sharing system of a block chain. A data producer obtains a service interface through a client. The data producer uploads the existing data to the access server in the form of text in the prescribed format; The data producer sets up the appropriate access control through the client; The inquiry server controls the identity of the accessor through a unified port and receives the data inquiry request. The query server sends data query requests to all access servers in parallel. The access server writes timestamps, data indexes, access permissions, and operational records of the corresponding data into the block chain. By adopting the scheme of the invention, the following aspects can be improved: (1) data ownership: the system can provide a traceable path, and can effectively solve the problem of data right determination. (2)Data quality: data standards are formulated and data quality was improved through consensus verification. (3)Data security: Data security and privacy are guaranteed by various encryption techniques. (4)High throughput of data transaction: loosely coupled design is adopted.

Description

technical field [0001] The invention relates to a block chain data sharing method and system, belonging to the block chain technology. Background technique [0002] With the development of the Internet, blockchain technology has received widespread attention. Blockchain is a new application model of computer technologies such as distributed data storage, point-to-point transmission, consensus mechanism, and encryption algorithm. The servers of each enterprise can establish a blockchain alliance in an alliance manner to realize mutual data sharing and maximize enterprise benefits. Traditional blockchain data sharing has the following problems: [0003] (1) Data ownership cannot be clearly defined. [0004] How to define the ownership of data is not an easy task, involving various aspects of technology, business and law between users. In the case of unclear property rights, the subject who owns the data has no incentive to share the data, otherwise it will bring about the ...

Claims

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Application Information

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IPC IPC(8): G06F21/60G06F21/62
CPCG06F21/602G06F21/6227
Inventor 陈天一李智强
Owner 南京一目智能科技有限公司
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