Integration of Blockchain and IoT: An Enhanced Security Perspective
Mahdi H. Miraz, Maaruf Ali

TL;DR
This paper explores how blockchain technology can be integrated with IoT devices to improve security and privacy, reviewing recent research and proposing solutions for challenges in this domain.
Contribution
It provides a survey of recent works on blockchain-enabled IoT security and discusses potential solutions to address associated challenges.
Findings
Blockchain enhances IoT security and privacy.
Survey identifies key challenges in blockchain-IoT integration.
Proposes solutions for secure IoT ecosystems.
Abstract
Blockchain (BC), a by-product of Bitcoin cryptocurrency, has gained immense and wide scale popularity for its applicability in various diverse domains - especially in multifaceted non-monetary systems. By adopting cryptographic techniques such as hashing and asymmetric encryption - along with distributed consensus approach, a Blockchain based distributed ledger not only becomes highly secure but also immutable and thus eliminates the need for any third-party intermediators. On the contrary, innumerable IoT (Internet of Things) devices are increasingly being added to the network. This phenomenon poses higher risk in terms of security and privacy. It is thus extremely important to address the security aspects of the growing IoT ecosystem. This paper explores the applicability of BC for ensuring enhanced security and privacy in the IoT ecosystem. Recent research articles and projects or…
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Taxonomy
TopicsBlockchain Technology Applications and Security · IoT and Edge/Fog Computing · Advanced Steganography and Watermarking Techniques
