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This study introduces a secure blockchain-based authentication system for Internet of Things (IoT) fog computing environments. The proposed method enhances security and reduces resource costs for authenticating users with IoT devices.

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Area of Science:

  • Computer Science
  • Cybersecurity
  • Internet of Things (IoT)

Background:

  • Low-cost IoT sensors present data accuracy and reliability challenges.
  • Fog computing addresses IoT limitations but introduces security and privacy concerns.
  • Blockchain technology offers potential solutions for secure authentication in distributed systems.

Purpose of the Study:

  • To propose and implement a novel blockchain-based authentication system for fog computing environments.
  • To leverage blockchain and smart contracts for secure user authentication.
  • To evaluate the security and performance of the proposed system.

Main Methods:

  • Developed an authentication system integrating blockchain and smart contracts.
  • Utilized user credentials (email, username, password) and biometric data for registration and authentication.
  • Implemented the system using Ethereum blockchain and smart contracts.

Main Results:

  • The proposed system demonstrated enhanced security for user authentication in fog computing.
  • Achieved up to 30% reduction in transaction and execution costs compared to existing methods.
  • Observed an increase of up to 30% in miner fees.

Conclusions:

  • The blockchain-based authentication system effectively addresses security and privacy challenges in fog computing.
  • The system offers a secure and resource-efficient solution for IoT authentication.
  • Further analysis is needed to optimize miner fees for broader adoption.