  In the ever-evolving healthcare sector, the widespread adoption of Internet
of Things and wearable technologies facilitates remote patient monitoring.
However, the existing client/server infrastructure poses significant security
and privacy challenges, necessitating strict adherence to healthcare data
regulations. To combat these issues, a decentralized approach is imperative,
and blockchain technology emerges as a compelling solution for strengthening
Internet of Things and medical systems security. This paper introduces
HNMblock, a model that elevates the realms of epidemiological monitoring,
medical system security, and wellness enhancement. By harnessing the
transparency and immutability inherent in blockchain, HNMblock empowers
real-time, tamper-proof tracking of epidemiological data, enabling swift
responses to disease outbreaks. Furthermore, it fortifies the security of
medical systems through advanced cryptographic techniques and smart contracts,
with a paramount focus on safeguarding patient privacy. HNMblock also fosters
personalized healthcare, encouraging patient involvement and data-informed
decision-making. The integration of blockchain within the healthcare domain, as
exemplified by HNMblock, holds the potential to revolutionize data management,
epidemiological surveillance, and wellness, as meticulously explored in this
research article.
