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Open AccessArticle

Y-DWMS: A Digital Watermark Management System Based on Smart Contracts

College of Computer Science and Technology, Nanjing University of Aeronautics and Astronautics, NO. 29 Yudao Street, Nanjing 210016, China
Key Laboratory of Computer Network Technology of Jiangsu Province, Nanjing 210096, China
Department of Applied Mathematics and Computer Science, Technical University of Denmark, 2800 Kongens Lyngby, Capital Region, Denmark
Division of Computer Science, University of Aizu, Aizuwakamatsu 965-8580, Japan
Author to whom correspondence should be addressed.
Sensors 2019, 19(14), 3091;
Received: 12 June 2019 / Revised: 7 July 2019 / Accepted: 10 July 2019 / Published: 12 July 2019
(This article belongs to the Special Issue Threat Identification and Defence for Internet-of-Things)
With the development of information technology, films, music, and other publications are inclined to be distributed in digitalized form. However, the low cost of data replication and dissemination leads to digital rights problems and brings huge economic losses. Up to now, existing digital rights management (DRM) schemes have been powerless to deter attempts of infringing digital rights and recover losses of copyright holders. This paper presents a YODA-based digital watermark management system (Y-DWMS), adopting non-repudiation of smart contract and blockchain, to implement a DRM mechanism to infinitely amplify the cost of infringement and recover losses copyright holders suffered once the infringement is reported. We adopt game analysis to prove that in Y-DWMS, the decision of non-infringement always dominates rational users, so as to fundamentally eradicate the infringement of digital rights, which current mainstream DRM schemes cannot reach. View Full-Text
Keywords: digital rights management; smart contract; blockchain; game theory digital rights management; smart contract; blockchain; game theory
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Zhao, B.; Fang, L.; Zhang, H.; Ge, C.; Meng, W.; Liu, L.; Su, C. Y-DWMS: A Digital Watermark Management System Based on Smart Contracts. Sensors 2019, 19, 3091.

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