Journal of Industrial Convergence (산업융합연구)

DAEHAN Society of Industrial Management (대한산업경영학회)
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Design of DID-based Verification Protocol for Strengthening Copyright Holders' Sovereignty

저작권자의 주권 강화를 위한 DID 기반 검증 프로토콜 설계

  • Kim, Ho-Yoon (Dept. of Computers & Media Engineering, Tongmyong University) ;
  • Shin, Seung-Soo (Dept. of Information Security, Tongmyong University)
  • 김호윤 (동명대학교 컴퓨터미디어공학과) ;
  • 신승수 (동명대학교 정보보호학과)
  • Received : 2022.06.23
  • Accepted : 2022.09.20
  • Published : 2022.09.28
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Abstract

Digital content is difficult to distinguish between the original and the replica due to its nature. For this reason, NFT technology using blockchain technology is attracting attention because it can guarantee the proof and scarcity of the original digital content. However, the NFT buyer does not own the copyright to the digital content, but the ownership. In particular, since the minting process of issuing NFTs is possible for anyone, there is a copyright threat to the copyright holder. In this study, we propose a verification protocol based on DID for the process of issuing and transacting NFTs for copyright protection of copyright holders' digital contents. As a research method, the problems of research cases related to digital contents were analyzed and the safety was comparatively analyzed. NFT issuance can only be issued by copyright holders whose identity has been verified through DID, and only users who have completed authentication can participate in the transaction to prevent indiscriminate theft and use of digital content and form a safe and transparent transaction market.

디지털 콘텐츠는 그 특성상 원본과 복제본의 구분이 어렵다. 이 때문에 블록체인 기술을 활용한 NFT 기술은 디지털 콘텐츠 원본에 대한 증빙과 희소성을 보장할 수 있어 주목받고 있다. 그러나 NFT 구매자는 디지털 콘텐츠에 대한 저작권을 가지는 것이 아닌 소유권을 가지는 것이다. 특히 NFT를 발행하는 민팅(Minting) 과정은 누구나 가능하기 때문에 저작권자에 대한 저작권 위협이 있다. 본 연구에서는 저작권자의 디지털 콘텐츠에 대한 저작권 보호를 위해 NFT를 발행하고 거래하는 과정을 DID에 기반 한 검증 프로토콜을 제안한다. 연구 방법으로는 디지털 콘텐츠에 관한 연구 사례의 문제점을 분석하여 안전성에 대해 비교 분석하였다. NFT 발행은 DID를 통해 신원인증이 완료된 저작권자만이 발행할 수 있고 사용자 또한 인증이 완료된 자만 거래에 참여하여 디지털 콘텐츠에 대한 무분별한 도용, 이용을 방지하고 안전하고 투명한 거래 시장을 형성할 수 있다.

Keywords

Acknowledgement

This research was supported by the BB21plus funded by Busan Metropolitan City and Busan Institute for Talent & Lifelong Education(BIT).

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