Data sharing method and system based on block chain

A data sharing and blockchain technology, applied in the field of data sharing methods and systems based on blockchain, can solve the problems of data loss, errors and other consequences that are difficult to track, and the real-time performance is not strong, so as to improve management efficiency and avoid information The effect of silos, reducing management complexity

Pending Publication Date: 2021-07-13
佳乔(深圳)投资有限公司
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  • Summary
  • Abstract
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Problems solved by technology

[0002] In order to ensure data security, traditional data sharing mostly adopts the method of offline transmission. This method is not re

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  • Data sharing method and system based on block chain

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Embodiment Construction

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.

[0039] It should be understood that the terminology used in the description of the present invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the present invention. As used in this specification and the appended claims, the singular forms "a", "an" and "the" are intended to include plural referents unless the context clearly dictates otherwise.

[0040] The purpose of the present invention is to provide...

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Abstract

The invention discloses a data sharing method and system based on a block chain, and the method comprises the steps: a plurality of nodes in the block chain sign alliance provisions, and build a regional autonomous alliance; collecting a data sharing request from any node; judging whether the node initiating the data sharing request belongs to nodes in a regional autonomous alliance or not; if the node belongs to the node in the regional autonomous alliance, obtaining shared data corresponding to the node, uploading the shared data to the regional autonomous alliance, and broadcasting the shared data to each node of the regional autonomous alliance for storage; if the data sharing request does not belong to the node in the regional autonomous alliance, judging whether the data sharing request meets the sharing access requirement of the regional autonomous alliance, if so, allowing the data sharing request, and stamping a timestamp on the data sharing request for recording; and if not, rejecting the data sharing request. According to the invention, through autonomy of each node, the management complexity is effectively reduced, and the management efficiency of data sharing among the nodes is improved.

Description

technical field [0001] The present invention relates to the technical field of data sharing, in particular to a blockchain-based data sharing method and system. Background technique [0002] In order to ensure data security, traditional data sharing mostly adopts the method of offline transmission, which is not real-time, and the consequences of data loss and errors caused by personnel negligence are difficult to track and other problems are obvious. With the popularization of the Internet, online data sharing has become the main method of data transmission, which has obvious advantages in timeliness than offline transmission. However, the explosion of Internet data in recent years has put forward higher requirements for safe and efficient data sharing methods such as data supervision, privacy protection, large-capacity data storage, and fast data transmission. [0003] Blockchain is a technology combined with cryptography, network, distributed storage and other technologie...

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Application Information

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IPC IPC(8): G06F16/22G06F16/27G06F21/64
CPCG06F21/64G06F16/2219G06F16/27
Inventor 王保春张蛟鹏余洋莫恒
Owner 佳乔(深圳)投资有限公司
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