基于区块链的数据版权保护与组合竞拍

doi:10.12066/j.issn.1007-2861.2376

上海大学学报(自然科学版) ›› 2022, Vol. 28 ›› Issue (3): 413-426.doi: 10.12066/j.issn.1007-2861.2376

• 数据采集、数据库和数据处理 • 上一篇下一篇

基于区块链的数据版权保护与组合竞拍

徐宇钦¹, 钱权¹^,²^,³()

1.上海大学计算机工程与科学学院, 上海 200444
2.上海大学材料基因组工程研究院材料信息与数据科学中心, 上海 200444
3.之江实验室, 浙江杭州 311100

收稿日期:2022-03-15 出版日期:2022-06-30 发布日期:2022-05-27
通讯作者: 钱权 E-mail:qqian@shu.edu.cn
作者简介:钱权(1972—), 男, 研究员, 博士生导师, 博士, 研究方向为材料信息学、机器学习、网络安全等. E-mail: qqian@shu.edu.cn
基金资助:
国家重点研发计划资助项目(2018YFB0704400);云南省重大科技专项资助项目(202102AB080019-3);云南省重大科技专项资助项目(202002AB080001-2);之江实验室科研攻关资助项目(2021PE0AC02);上海张江国家自主创新示范区专项发展资金重大资助项目(ZJ2021-ZD-006)

Blockchain based data copyright protection and combinatorial auction

XU Yuqin¹, QIAN Quan¹^,²^,³()

1. School of Computer Engineering and Science, Shanghai University, Shanghai 200444, China
2. Center of Materials Informatics and Data Science, Materials Genome Institute, Shanghai University, Shanghai 200444, China
3. Zhejiang Laboratory, Hangzhou 311100, Zhejiang, China

Received:2022-03-15 Online:2022-06-30 Published:2022-05-27
Contact: QIAN Quan E-mail:qqian@shu.edu.cn

摘要/Abstract

摘要：

基于区块链、数字水印以及密封递价拍卖的组合竞拍算法, 设计并实现了一套数据版权保护与组合竞拍系统. 首先, 采用去中心化的区块链技术, 结合智能合约来存储数据版权的上链记录、版权交易记录等, 通过共识机制使得网络中的各个节点在互不信任的情况下达成共识, 提升了版权管理系统的公信力. 其次, 数字水印作为一种特殊的编码, 能够将水印信息隐藏在数据中, 通过验证水印信息就可甄别版权归属. 结果表明, 所设计的数字水印模块对原始数据大小增加很少, 且可高效地实现数字水印的嵌入和提取. 最后, 设计了一种组合竞拍算法来自动化地为版权拥有者挑选出最优的出价组合, 实现数据版权的价值交换.

关键词: 数字版权, 数字水印, 区块链, 智能合约, 组合竞拍

Abstract:

A data copyright protection and combinatorial auction system was designed and implemented based on blockchain, digital watermark and sealed bids combinatorial auction. First, a smart contract was applied to store the copyright data and their transaction record via a decentralized technique known as blockchain, which could achieve consensus between each node who did not trust each other. Consequently the system could be rendered more trustworthy. Moreover, a digital watermark was a unique code hidden in data, which could be used to prove the ownership of copyright. The results showed that the watermark module used in the system barely altered original data and was efficient when embedding and extracting watermark. Finally, a combinatorial auction algorithm was designed to select an optimal bid combination automatically to implement the value exchange of data copyright.

Key words: digital copyright, digital watermark, blockchain, smart contract, combinatorial auction

中图分类号:

TP 391

徐宇钦, 钱权. 基于区块链的数据版权保护与组合竞拍[J]. 上海大学学报(自然科学版), 2022, 28(3): 413-426.

XU Yuqin, QIAN Quan. Blockchain based data copyright protection and combinatorial auction[J]. Journal of Shanghai University（Natural Science Edition）, 2022, 28(3): 413-426.

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基于区块链的数据版权保护与组合竞拍

Blockchain based data copyright protection and combinatorial auction

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