Enhanced Healthcare Security: Integrating Blockchain and IoT for Patient Data Protection and Remote Vital Sign Monitoring

Several healthcare applications have been launched in recent years to enhance the healthcare sector. The emergence of miniature medical sensors to track patients’ vital signs has strengthened and enhanced the human healthcare system. The objective of this initiative is to improve healthcare security by integrating IoT and blockchain technology to preserve patient data and enable remote vital sign monitoring. Vital sign monitoring has been greatly enhanced by the widespread use of tiny medical sensors, which have increased data availability for early diagnosis and therapy recommendations. Nonetheless, there are issues with guaranteeing data security and privacy with the current technologies. Blockchain technology is included in the suggested solution because of its special qualities, which include transparency and data privacy. IoT sensors are used to gather patient data, like temperature, heart rate, and oxygen saturation levels, which are then safely sent via Postman API to a private permissioned blockchain. With a key size of 256 bits, the data is encrypted using SHA 256, creating public and private keys for further protection. Specialist physicians are able to read documents pertinent to their areas of expertise since access restriction is applied through private channels. In order to guarantee a strong and safe healthcare environment, the research also incorporates an easy-to-use interface for hospital managers to manage appointments, ambulance reservations, and get notifications when vital indicators surpass threshold levels.