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Internet of Things (IoT) is the new technology that will change the Internet era in the coming years. IoT can be used in many fields, such as digitally connected factories, facility management, production flow management inventory management, safety, security, health care, logistics, supply chain optimization, and so on. However, due to limited capabilities in IoT, it is impractical to implement extensive security solutions. Also, security standards for IoT are not mature enough. As a result, many security incidents affect IoT reliability. In this paper, we propose an effective security mechanisms that can be implemented to ensure data accuracy and integrity of IoT devices along with considering its limited hardware resources. We implement Blockchain in IoT to enhance IoT security. We apply our approach using the Ethereum protocol by having multiple Raspberry Pi devices connected as peers to the Blockchain. Also, we discuss the implementation and the expected outcome of this project, which is to implement the Access Control List mechanism using Blockchain to improve the overall IoT security and to connect IoT devices to Ethereum as light nodes.
AlJemy et al. (Mon,) studied this question.