Blockchain and IoT in Healthcare: A Systematic Analysis of Security and Privacy Challenges

This paper presents a detailed exploration of the convergence between blockchain technology and the Internet of Things (IoT) in healthcare, termed Blockchain-enabled IoT (BCIoT). Through a systematic bibliometric analysis, the study investigates the evolution of blockchain and its transformative potential in the healthcare domain. It emphasizes the integration of blockchain and IoT as a cutting-edge approach to safeguarding medical data storage and exchange. The research highlights the increasing significance of blockchain-IoT studies and identifies leading journals, authors, and institutions driving innovation in this field. Using network analysis, the study visualizes keyword co-occurrence, revealing key research clusters such as artificial intelligence, cybersecurity, data protection, and healthcare advancements enabled by blockchain-IoT synergy. Emerging trends indicate a growing emphasis on security enhancements, the integration of cloud and edge computing for healthcare delivery, and the application of machine learning in diagnostics and predictive analytics. The findings suggest continued growth in blockchain-IoT research, paving the way for transformative advancements in global healthcare technologies.