Blockchain-Integrated Authentication Framework for Secure Cloud-Based Health Monitoring with Wearable Devices
DOI:
https://doi.org/10.57159/jcmm.4.2.25197Keywords:
Blockchain Security, Cloud Authentication, Wearable Health Devices, Smart Contracts, Healthcare IoT, Anomaly DetectionAbstract
Wearable health monitoring devices play a critical role in real-time patient care, but their reliance on cloud-based services introduces significant security and privacy challenges. This study presents a blockchain-integrated security framework that combines decentralized authentication, smart contract automation, and end-to-end encryption to ensure the secure transmission and access of health data. Unlike traditional centralized systems, the framework uses a permissioned blockchain to log authentication and access events immutably, while smart contracts govern role-based permissions without manual oversight. The system was evaluated in a simulated environment with wearable devices and cloud infrastructure. Results demonstrate low-latency performance, high authentication accuracy, robust anomaly detection, and resilience against replay and spoofing attacks. This framework offers a scalable and transparent approach to strengthening data protection in digital healthcare systems.
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