[1]汪 菲,沈苏彬.一种基于区块链的可信数据共享解决方案[J].计算机技术与发展,2020,30(09):115-121.[doi:10. 3969 / j. issn. 1673-629X. 2020. 09. 021]
　WANG Fei,SHEN Su-bin.A Solution for Decentralized Data Sharing Based on Blockchain[J].,2020,30(09):115-121.[doi:10. 3969 / j. issn. 1673-629X. 2020. 09. 021]
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一种基于区块链的可信数据共享解决方案()
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《计算机技术与发展》[ISSN:1006-6977/CN:61-1281/TN]

卷:
30
期数:
2020年09期
页码:
115-121
栏目:
安全与防范
出版日期:
2020-09-10

文章信息/Info

Title:
A Solution for Decentralized Data Sharing Based on Blockchain
文章编号:
1673-629X(2020)09-0115-07
作者:
汪 菲1; 沈苏彬2
1. 南京邮电大学 计算机学院,江苏 南京 210046; 2. 南京邮电大学 通信与网络技术国家工程研究中心,江苏 南京 210046
Author(s):
WANG Fei1; SHEN Su-bin2
1. School of Computer Science,Nanjing University of Posts and Telecommunications,Nanjing 210046,China; 2. National Engineering Research Center on Communication and Networking,Nanjing University of Posts and Telecommunications,Nanjing 210046,China
关键词:
区块链; 去中心化; 数据共享; 可信性; 智能合约
Keywords:
blockchain; decentralization; data sharing; credibility; smart contract
分类号:
TP309. 2
DOI:
10. 3969 / j. issn. 1673-629X. 2020. 09. 021
摘要:
在数据共享不可阻挡的大趋势下,现阶段的主要共享方式是基于云的数据共享,它是将数据全部存储到云中再进行数据交易从而产生的数据共享,但这种数据共享方式会降低共享数据的安全性和隐私性,如数据被篡改、假冒等。 区块链的去中心化以及区块上数据不可篡改的特性,可安全地记录双方之间的交易而无需可信任的第三方机构。 文中将区块链技术应用到数据共享技术中,设计了一种去中心化、可信数据共享的智能合约,构造了共享数据的存储块结构,提出将共享数据的信息可信地存储到区块链上实现数据共享的解决方案,最终在以太坊平台上模拟真实场景。 实验表明,基于区块链的数据共享技术实现了去中心化的目标,在一定程度上增强了共享数据的可信性、安全性、隐私性。
Abstract:
In the unstoppable trend of data sharing,the main sharing method at the present stage is cloud-based data sharing,which is the sharing of data generated by storing all the data in the cloud for data transaction. However,this way of data sharing maybe reduce the security and privacy of shared data,such as data tampering,counterfeiting and so on. The decentralization of the blockchain and the nontampering of data on the block allow transactions between two parties to be recorded securely without the need for a trusted third party. Applying blockchain approach in data sharing,we design a decentralized and trusted data sharing smart contract, build a shared data storage block structure,and propose a solution to realize data sharing by storing the information of shared data credibly on the blockchain. This solution is simulated and tested on the Ethereum platform. It is showed that the data sharing approach based on blockchain achieves the goal of decentralization,which enhances the credibility, security and privacy of shared data to a certain extent.

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更新日期/Last Update: 2020-09-10