HealthCare EHR: A Blockchain-Based Decentralized Application

Blockchain technology is currently playing a significant role in providing a secure and effective means to share information in a variety of domains, including the financial sector, supply chain management (SCM) in various domains, IoT, and the field of health care systems (HCS). The HCS application's interoperability and security allow patients and vendors to communicate information seamlessly. The absence of such traits reveals the patient's difficulties in gaining access to his or her own health status. As a result, incorporating blockchain technology will eliminate this disadvantage, allowing the HCS to become more effective and efficient. These potential benefits provide a foundation for blockchain technology to be used in various aspects of HCS, such as maintain the patient electronic health record (EHR) and electronic medical records (EMR) for various medical devices, billing, and telemedicine systems, and so on. In recent years the decentralized applications or Dapps have been rapidly emerged as the hot research topic and being adopted by various fields such as banking, medical and business, etc. The Dapps are nothing but digital applications which run on a peer-to-peer network outside the purview and control of a single controlling body. This research work focuses on developing a decentralized application Healthcare EHR for storing and sharing medical data among the patient and the doctor.