区块链与数字水印相结合的地理数据交易存证及版权保护模型

doi:10.11947/j.AGCS.2021.20200559

测绘学报 ›› 2021, Vol. 50 ›› Issue (12): 1694-1704.doi: 10.11947/j.AGCS.2021.20200559

• 位置服务与地理空间信息处理 • 上一篇下一篇

区块链与数字水印相结合的地理数据交易存证及版权保护模型

朱长青^1,2,3, 徐鼎捷^1,2,3, 任娜^1,2,3, 崔瀚川⁴, 赵亚宙^1,2,3

1. 虚拟地理环境教育部重点实验室(南京师范大学), 江苏南京 210023;
2. 江苏省地理环境演化国家重点实验室培育建设点, 江苏南京 210023;
3. 江苏省地理信息资源开发与利用协同创新中心, 江苏南京 210023;
4. 南京吉印信息科技有限公司, 江苏南京 210023

收稿日期:2020-11-18 修回日期:2021-08-24 发布日期:2022-01-08
通讯作者: 徐鼎捷 E-mail:dingjiexu0517@163.com
作者简介:朱长青(1962—),男,教授,博士生导师,研究方向为空间数据安全、空间数据不确定性等。
基金资助:
国家自然科学基金（42071362；41971338）；江苏省自然科学基金（BK20191373）

Model and implementation of geographic data transaction certificate and copyright protection based on blockchain and digital watermarking

ZHU Changqing^1,2,3, XU Dingjie^1,2,3, REN Na^1,2,3, CUI Hanchuan⁴, ZHAO Yazhou^1,2,3

1. Key Laboratory of Virtual Geographic Environment(Nanjing Normal University), Ministry of Education, Nanjing 210023, China;
2. State Key Laboratory Cultivation Base of Geographical Environment Evolution(Jiangsu Province), Nanjing 210023, China;
3. Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing 210023, China;
4. Nanjing Geo-Marking Information Technology Co., Ltd., Nanjing 210023, China

Received:2020-11-18 Revised:2021-08-24 Published:2022-01-08
Supported by:
The National Natural Science Foundation of China (Nos. 42071362;41971338);The Natural Science Foundation of Jiangsu Province (No. BK20191373)

摘要/Abstract

摘要： 为有效解决地理数据交易过程中交易双方互信问题，本文提出了一种结合零水印、IPFS和智能合约技术的地理数据交易存证与版权保护模型。该模型利用区块链结合IPFS网络构建了一种新型的零水印注册机制，消除了对第三方IPR机构的依赖，还通过智能合约的设计在零水印注册的同时将交易信息上链永久存证，实现零水印注册的时间戳认证。模型中区块链存证的不可篡改性与智能合约自动执行的运行机制使交易双方能够在无第三方监管的情况下，达成共识、实现互信。在模型基础上，以开放联盟链作为智能合约开发平台，实现了地理数据交易存证与版权保护系统。利用本系统，交易双方可调用智能合约获取链上交易凭证，再通过从IPFS网络下载的零水印提取数据的水印信息，最终结合交易凭证与水印信息进行数据版权确认与来源追溯，进而有效地维权或解决纠纷。试验表明，本文提出的方法能够同时保障交易双方权益并保护交易数据安全。

关键词: 地理数据, 区块链, 零水印, 交易存证, 版权保护, 模型

Abstract: In order to effectively solve the trust problem of both parties in the process of geographic data transaction, this paper proposes a geographic data transaction certificate and copyright protection model combining zero-watermark, IPFS and smart contract technology. The model uses the IPFS system to build a new mechanism for zero-watermark registration, which can eliminate the dependence on third-party IPR institutions. Through the smart contract design, the zero-watermark information is registered, and the transaction information is stored permanently in the blockchain to realize the time-stamp authentication of zero-watermark registration. The tamper-resistant of blockchain and the automatic execution mechanism of smart contract in the model enable both parties to reach a consensus and achieve mutual trust without the supervision of a third party. Based on this model, this paper uses “Ant OpenChain” as a smart contract development platform to develop a transaction and copyright protection system for geographic data. With this system, both sides of the transaction can call the smart contract to obtain the transaction certificate from the blockchain. Then, the watermark information is extracted by the zero-watermark downloaded from the IPFS network. Finally, the data copyright can be confirmed and the source can be traced effectively for protecting rights or solving disputes by combining the transaction certificate and watermark information to confirm. Experiments show that the proposed method can protect the rights and interests of both parties and protect the security of transaction data simultaneously.

Key words: geographical data, blockchain, zero-watermark, transaction certificate, copyright protection, model

中图分类号:

P208

朱长青, 徐鼎捷, 任娜, 崔瀚川, 赵亚宙. 区块链与数字水印相结合的地理数据交易存证及版权保护模型[J]. 测绘学报, 2021, 50(12): 1694-1704.

ZHU Changqing, XU Dingjie, REN Na, CUI Hanchuan, ZHAO Yazhou. Model and implementation of geographic data transaction certificate and copyright protection based on blockchain and digital watermarking[J]. Acta Geodaetica et Cartographica Sinica, 2021, 50(12): 1694-1704.

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区块链与数字水印相结合的地理数据交易存证及版权保护模型

Model and implementation of geographic data transaction certificate and copyright protection based on blockchain and digital watermarking

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