【Author】
Lee, Suhyeon; Kim, Seungjoo
【Abstract】Targets of cyber crime are not exclusive to the private sector. Successful cyber attacks on nation-states have proved that cyber threats can jeopardize significant national interests. In response, nation-states have begun to handle cyber threats at the national defense level, which is titled 'cyber defense.' The cyber defense sector is related to national security, therefore requires robust security technology. Contrary to normal systems, blockchain provides strong security properties without a centralized control entity, and as such its application in the cyber defense field is under the spotlight. In this paper, we present opportunities blockchain provides for cyber defense, research and national projects, and limitations. We constructed a survey of government documents, interviews, related news, technical reports, and research papers from 2016 to 2021. As a result, our research contributes to reducing the gap in blockchain for cyber defense by systematically conducting research and analysis. In our research, we found that not only research but also government-led plans are actively promoting blockchain, which demonstrates that blockchain will play a remarkable role in cyber defense. This paper concludes with suggestions for future research in aspects of the blockchain technology, evaluation, and survey.
【Keywords】Blockchains; Bitcoin; Security; Computer crime; Smart contracts; Licenses; Data structures; Blockchain; cyber security; cyber defense; military; survey
【摘要】网络犯罪的目标并不限于私营部门。对国家的成功网络攻击已经证明，网络威胁可以危及国家重大利益。作为回应，国家已经开始在国防层面处理网络威胁，这就是所谓的'网络防御'。网络防御部门与国家安全有关，因此需要强大的安全技术。与普通系统相反，区块链在没有中心化控制实体的情况下提供了强大的安全属性，因此它在网络防御领域的应用受到广泛关注。在本文中，我们介绍了区块链为网络防御提供的机会和现有研究、国家重大项目以及局限。我们调研了2016年至2021年的政府文件、访谈、相关新闻、技术报告和研究论文。该研究通过系统分析，有助于减少区块链在网络防御方面的不足，我们发现不仅是学术研究，政府主导的项目计划也在积极推动区块链技术发展，这表明区块链将在网络防御中发挥重要作用。本文最后对区块链技术、评估和调研等方面的未来研究提出了建议。
【关键词】区块链；比特币；安全;计算机犯罪；智能合约；许可证；数据结构;区块链；网络安全;网络防御；军事;民意调查
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