PRICHAIN: A Partially Decentralized Implementation of UbiPri Middleware Using Blockchain

Area of Science:

• Computer Science
• Information Security
• Distributed Systems

Background:

• The proliferation of Internet-of-Things (IoT) applications generates vast amounts of user data, raising significant privacy concerns.
• Inferring personal information from IoT data necessitates robust privacy-preserving mechanisms.
• Existing solutions for IoT privacy require enhancement to address decentralized environments.

Purpose of the Study:

• To present a decentralized implementation of the UbiPri middleware for enhanced privacy in Internet of Things environments.
• To leverage blockchain technology for secure and private data management in IoT ecosystems.
• To evaluate the privacy, security, and performance of the proposed UbiPri middleware.

Main Methods:

• A decentralized UbiPri middleware was implemented utilizing the Ethereum blockchain.
• Smart contracts were employed to manage privacy controls and data access.
• A communication gateway and a distributed storage service were integrated for secure data handling.

Main Results:

• The decentralized UbiPri middleware effectively ensures user privacy at multiple levels.
• Demonstrated enhanced data storage security within the IoT environment.
• Achieved favorable performance in terms of scalability for IoT applications.

Conclusions:

• The decentralized UbiPri middleware provides a viable solution for safeguarding user privacy in the Internet of Things.
• The integration of blockchain technology enhances the security and privacy of IoT data management.
• The proposed system offers a scalable and secure approach to privacy in the evolving IoT landscape.