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Integration of Blockchain and Cloud of Things: Architecture, Applications and Challenges
IEEE Communications Surveys & Tutorials ( IF 35.6 ) Pub Date : 2020-01-01 , DOI: 10.1109/comst.2020.3020092
Dinh C. Nguyen , Pubudu N. Pathirana , Ming Ding , Aruna Seneviratne

The blockchain technology is taking the world by storm. Blockchain with its decentralized, transparent and secure nature has emerged as a disruptive technology for the next generation of numerous industrial applications. One of them is Cloud of Things enabled by the combination of cloud computing and Internet of Things. In this context, blockchain provides innovative solutions to address challenges in Cloud of Things in terms of decentralization, data privacy and network security, while Cloud of Things offer elasticity and scalability functionalities to improve the efficiency of blockchain operations. Therefore, a novel paradigm of blockchain and Cloud of Things integration, called BCoT, has been widely regarded as a promising enabler for a wide range of application scenarios. In this article, we present a state-of-the-art review on the BCoT integration to provide general readers with an overview of the BCoT in various aspects, including background knowledge, motivation, and integrated architecture. Particularly, we also provide an in-depth survey of BCoT applications in different use-case domains such as smart healthcare, smart city, smart transportation and smart industry. Then, we review the recent BCoT developments with the emerging blockchain and cloud platforms, services, and research projects. Finally, some important research challenges and future directions are highlighted to spur further research in this promising area.

中文翻译:

区块链与物联网的整合:架构、应用和挑战

区块链技术正在席卷全球。区块链具有去中心化、透明和安全的特性,已成为下一代众多工业应用的颠覆性技术。其中之一是通过云计算和物联网结合实现的物联网。在这种背景下,区块链提供了创新的解决方案来解决物联网在去中心化、数据隐私和网络安全方面的挑战,而物联网提供弹性和可扩展性功能,以提高区块链运营的效率。因此,一种被称为 BCoT 的区块链和物联网集成的新范式被广泛认为是广泛应用场景的有前途的推动者。在本文中,我们对 BCoT 集成进行了最先进的审查,为一般读者提供 BCoT 各个方面的概述,包括背景知识、动机和集成架构。特别是,我们还对不同用例领域的 BCoT 应用进行了深入调查,例如智慧医疗、智慧城市、智慧交通和智慧工业。然后,我们通过新兴的区块链和云平台、服务和研究项目来回顾最近的 BCoT 发展。最后,强调了一些重要的研究挑战和未来方向,以促进这一有前途的领域的进一步研究。我们还对不同用例领域的 BCoT 应用进行了深入调查,例如智慧医疗、智慧城市、智慧交通和智慧工业。然后,我们通过新兴的区块链和云平台、服务和研究项目来回顾最近的 BCoT 发展。最后,强调了一些重要的研究挑战和未来方向,以促进在这个有前景的领域的进一步研究。我们还对不同用例领域的 BCoT 应用进行了深入调查,例如智慧医疗、智慧城市、智慧交通和智慧工业。然后,我们通过新兴的区块链和云平台、服务和研究项目来回顾最近的 BCoT 发展。最后,强调了一些重要的研究挑战和未来方向,以促进这一有前途的领域的进一步研究。
更新日期:2020-01-01
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