Abstract
Blockchain and IoT are becoming the buzzwords in the tech world. Blockchain in itself is a very vast topic with various applications and uses but it has its fair share of challenges. Since IoT consists of a vast number of devices, from batterypowered devices with less computational resources to powerful machines, connected over a network it also has hurdles with various barriers. But this paper provides an in-depth review of the current situation of integration of Blockchain and the Internet of Things(IoT) and the Security Issues or Challenges that arise. It starts by discussing the ins and outs of blockchain technology and IoT and their applications. It compares the challenges that arise from using different public blockchain technologies like scalability, interoperability, computational resource constraints, storage, etc. This review also analyzes the current solutions that are present to mitigate the above-mentioned challenges in the integration of Blockchain and IoT. This paper also shines some light on the applications of BIoT and how it is changing and influencing the security challenges in current IoT devices. A detailed and in-depth analysis of this integration of blockchain and IoT was missing so this paper tries to summarize the challenges and solutions.
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