Blockchain-Based Cross-Domain IoT Data Sharing Framework Gains Approval

Strategic Insights -

A recent study from the Beijing University of Posts and Telecommunications has made significant progress in addressing the challenges of secure and efficient cross-domain data sharing in IoT environments. The research, supported by the National Key R&D Program of China and the National Natural Science Foundation of China (NSFC), proposes a novel blockchain-based framework that tackles the limitations of existing solutions. This innovative approach utilizes a distributed key management method, a lightweight data sharing protocol, and a two-tiered architecture leveraging edge computing to enhance efficiency and security.

Key Takeaways:

  • The study proposes a blockchain-based cross-domain data sharing framework that addresses limitations in computational efficiency, auditing capabilities, and key management security.
  • The framework includes a distributed key management method utilizing blockchain technology that eliminates single points of failure and enables autonomous pseudonym generation and key updates.
  • A lightweight cross-domain data sharing protocol based on the Chinese Remainder Theorem (CRT) facilitates one-to-many subscription mechanisms without computationally expensive bilinear pairings.
  • A two-tiered architecture leveraging edge computing enhances efficiency for resource-constrained IoT devices.
  • The research demonstrates that the proposed scheme effectively resists various attacks while maintaining theoretical security.
  • Comparative performance evaluations confirm that the approach significantly outperforms existing solutions in both computational and communication overhead.
  • The framework is particularly suitable for diverse resource-constrained IoT environments requiring cross-domain data exchange.
  • The research has been peer-reviewed and published in Computer Networks.

Statistics:

  • The study was supported by the National Key R&D Program of China and the National Natural Science Foundation of China (NSFC).
  • The research was conducted by Jianfeng Guan, Beijing University of Posts and Telecommunications, State Key Laboratory of Networking and Switching Technology, Beijing 100876, People's Republic of China.
  • The framework includes a distributed key management method, a lightweight data sharing protocol, and a two-tiered architecture leveraging edge computing.
  • The research analyzed various attacks and found that the proposed scheme effectively resists them while maintaining theoretical security.
  • Comparative performance evaluations showed that the approach outperforms existing solutions in computational and communication overhead.

Sources:

  • Guan, J., et al. (2025). "Blockchain-based Cross-domain IoT Data Sharing: a Lightweight, Secure Edge-assisted Approach." Computer Networks, 272.
  • National Key R&D Program of China
  • National Natural Science Foundation of China (NSFC)
  • Beijing University of Posts and Telecommunications
  • Elsevier.