Mobile agents offer numerous benefits in healthcare but encounter critical security challenges, including masquerading, unauthorized access, and data tampering, primarily due to reduced control and visibility during migration. To address these issues, this paper proposes a blockchain-based model to enhance the security of mobile agents in healthcare. The model integrates blockchain technology to secure mobile agents, and eliminate malicious agents, utilizing a smart contract to regulate communications between agents and the blockchain. The design, implementation, and evaluation of the model are detailed, with security tested against various attack scenarios. Experimental results demonstrate the model’s ability to monitor patients accurately with minimal latency and achieve a 100% detection rate for malicious agents. Detection times vary based on attack type, with a maximum average of 7400 ms for integrity breach detection.
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