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Credible data calculation and exchange system based on union blockchain

A technology for data computing and exchange systems, applied in computing, transmission systems, digital data protection and other directions to avoid leakage and ensure authenticity

Active Publication Date: 2019-03-29
HANGZHOU QULIAN TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a method to ensure that inter-organizational data can be shared without leaking original data by using the alliance blockchain to address the defects existing in data sharing among existing institutions

Method used

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  • Credible data calculation and exchange system based on union blockchain
  • Credible data calculation and exchange system based on union blockchain
  • Credible data calculation and exchange system based on union blockchain

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Embodiment Construction

[0018] The present invention will be described in detail below according to the accompanying drawings and preferred embodiments, and the purpose and effect of the present invention will become more obvious. The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0019] A trusted data computing and exchange system based on the alliance block chain, including the following modules:

[0020] 1) Data source management module, alliance members access their own data sources, and provide middleware for data filtering and data structure generalization;

[0021] 2) Smart contract management module, alliance members define the logic of data query in the smart contract, write new smart contracts or upgrade the original smart contracts, and send deployment or update ...

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Abstract

The invention discloses a credible data calculation and exchange system based on a union blockchain. The credible data calculation and exchange system comprises a data source management module, a smart contract management module and a data inquiry module. According to the invention, by a blockchain technology, the calculating process of data is guaranteed to be credible, and meanwhile, by a smartcontract, a union member is guaranteed to allow other union members to acquire available data calculation results in a case that original service data source information is not leaked, so that data exchange of the union members becomes feasible.

Description

technical field [0001] The present invention relates to the fields of block chain technology, smart contracts, asymmetric encryption technology, and trusted data exchange, and in particular to a trusted data computing and exchange system based on the alliance block chain. Background technique [0002] Blockchain technology, blockchain is essentially a decentralized distributed database, characterized by the fact that the information stored on the blockchain cannot be forged and tampered with. The data stored on the blockchain is jointly maintained by the nodes of the entire network, and its consistency is guaranteed by the consensus algorithm, and the data is visible to the entire network, so the blockchain can effectively transfer value between nodes that lack trust. However, due to the openness of data on the blockchain, the privacy of many data has been challenged, and its redundant multi-node backup makes it unsuitable for large-scale storage scenarios. Therefore, how to...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L29/08G06F21/62
CPCG06F21/6263H04L63/0442H04L67/104H04L67/2871
Inventor 李伟邱炜伟梁秀波李启雷尹可挺
Owner HANGZHOU QULIAN TECH CO LTD
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