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Raheel Ahmed Memon


Jian Ping Li


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Frontiers of Information Technology & Electronic Engineering  2020 Vol.21 No.4 P.563-586


Cloud-based vs. blockchain-based IoT: a comparative survey and way forward

Author(s):  Raheel Ahmed Memon, Jian Ping Li, Junaid Ahmed, Muhammad Irshad Nazeer, Muhammad Ismail, Khursheed Ali

Affiliation(s):  School of Computer Science and Technology, University of Electronic Science and Technology of China, Chengdu 610031, China; more

Corresponding email(s):   raheelmemon@iba-suk.edu.pk, jpli2222@uestc.edu.cn

Key Words:  Internet of Things (IoT), Cloud, Blockchain, Data center, Taxonomy

Raheel Ahmed Memon, Jian Ping Li, Junaid Ahmed, Muhammad Irshad Nazeer, Muhammad Ismail, Khursheed Ali. Cloud-based vs. blockchain-based IoT: a comparative survey and way forward[J]. Frontiers of Information Technology & Electronic Engineering, 2020, 21(4): 563-586.

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The internet of Things (IoT) has been evolving for more than a decade. Technological advancements have increased its popularity, but concerns and risks related to IoT are growing considerably along with the increased number of connected devices. In 2013, a new cryptography-based infrastructure called blockchain emerged with the potential to replace the existing cloud-based infrastructure of IoT through decentralization. In this article, we provide a taxonomy of the challenges in the current IoT infrastructure, and a literature survey with a taxonomy of the issues to expect in the future of the IoT after adopting blockchain as an infrastructure. The two architectures are compared based on their strengths and weaknesses. Then a brief survey of ongoing key research activities in blockchain is presented, which will have considerable impact on overcoming the challenges encountered in the applicability of blockchain in IoT. Finally, considering the challenges and issues in both infrastructures and the latest research activities, we propose a high-level hybrid IoT approach that uses the cloud, edge/fog, and blockchain together to avoid the limitations of each infrastructure.


Raheel Ahmed MEMON1,2, 李建平1, Junaid AHMED3, Muhammad Irshad NAZEER2, Muhammad ISMAIL2, Khursheed ALI2



Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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