journal article·2023-06-22Open access

Cybersecurity for Blockchain-Based IoT Systems: A Review

Razan Alajlan, Norah Alhumam, Mounir Frikha

Applied Sciences· Volume 13· Issue 13

Abstract

The Internet of Things (IoT) has become a pervasive technology with various applications ranging from smart homes and cities to industrial automation and healthcare. However, the increasing adoption of IoT devices has also raised significant concerns about cybersecurity and privacy. Blockchain, as a distributed and immutable ledger technology, has been proposed as a potential solution to enhance the security and privacy of IoT systems. Blockchain-based IoT systems offer several benefits, such as decentralization, transparency, and data integrity. However, they also pose unique cybersecurity challenges that need to be addressed for their secure and reliable deployment. In this paper, we review the existing literature and highlight the key challenges in cybersecurity for blockchain-based IoT systems. We categorize these challenges into three main areas: (i) IoT device security, (ii) blockchain security, and (iii) integration of IoT devices with blockchain (network security). Through an in-depth analysis, we present the current state of research and discuss potential solutions for each challenge. Additionally, we contribute by identifying future research directions to address these challenges and enhance the cybersecurity of blockchain-based IoT systems.
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Research context

OpenAlex topics: Blockchain Technology Applications and Security · IoT and Edge/Fog Computing · Advanced Steganography and Watermarking Techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

College of Computer Science and Information Technology, King Faisal University (KFU), Al Hassa 31982, Saudi Arabia

Department of Computer Networks & Communications, King Faisal University (KFU), Al Hofuf 31982, Saudi Arabia

Funding

King Faisal University, Saudi Arabia

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