Policy-Based Smart Contracts Management for IoT Privacy Preservation

Mohsen Rouached (), Aymen Akremi, Mouna Macherki and Naoufel Kraiem
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Mohsen Rouached: College of Information Technology, University of Bahrain, Sakhir P.O. Box 32038, Bahrain
Aymen Akremi: College of Computing, Umm Al-Qura University, Makkah 225400, Saudi Arabia
Mouna Macherki: RIADI Laboratory, University of Manouba, Manouba 2010, Tunisia
Naoufel Kraiem: College of Computer Science, King Khalid University, Abha 62529, Saudi Arabia

Future Internet, 2024, vol. 16, issue 12, 1-24

Abstract: This paper addresses the challenge of preserving user privacy within the Internet of Things (IoT) ecosystem using blockchain technology. Several approaches consider using blockchain and encryption to enhance the privacy of IoT applications and constrained IoT devices. However, existing blockchain platforms such as Ethereum and Hyperledger Fabric already use encryption to store data blocks and secure communication. Therefore, introducing an additional cryptographic layer on top of these platforms could potentially increase processing overhead and reduce response time. In this work, we investigate the integration of IoT and blockchain for privacy preservation. More specifically, we propose a new model that leverages the properties of private blockchain and smart contracts to ensure user data privacy when shared with others. We define policy-based algorithms and notations to assist users in managing smart contracts responsible for registering and controlling their IoT devices. We also specify multiple smart contracts designed to enhance privacy by creating a private channel for communication between the user and the blockchain network.

Keywords: privacy; policies; IoT; blockchain; smart contract (search for similar items in EconPapers)
JEL-codes: O3 (search for similar items in EconPapers)
Date: 2024
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