International Journal on Science and Technology

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Block Chain Based National Digital Health Record System

Author(s) Ishwari Ikhe, Prathmesh Kadam, Rutuja Kadam, Komal Jadhav, Prof. Shital Wagh
Country India
Abstract Modern healthcare systems rely heavily on the management of patient health records. However, traditional methods of keeping medical records mostly on paper or in isolated hospital databases are frequently ineffective, unreliable, and challenging to access across a variety of healthcare providers. These limitations can lead to data loss, repeated medical tests, delayed diagnosis, and compromised patient care. To address these challenges, this paper proposes a Blockchain and QR Code–based National Digital Health Record System that ensures secure, reliable, and instant access to patient medical data.
Health records are stored in a decentralized and tamper-proof manner using the proposed system, which makes sure data integrity, transparency, and protection against unauthorized modifications. Each patient is assigned a unique QR code that serves as a digital key to their medical history. Authorized healthcare professionals can scan the QR code to instantly retrieve patient records, including prescriptions, lab results, and treatment history, thereby improving the efficiency and accuracy of medical services. The system is implemented using a web-based architecture with a user-friendly interface, backend processing, and secure data storage mechanisms. It provides role-based access for patients and doctors, enabling seamless data sharing while maintaining privacy and security. The proposed solution reduces manual paperwork, enhances healthcare coordination, and ensures faster decision-making. In general, the system provides a platform for modern digital healthcare management that is scalable, effective, and safe. Data Security, Decentralized Storage, Medical Data Management, Digital Healthcare, Secure Data Sharing, QR Code, Healthcare System, National Digital Health Record System, Blockchain Technology.
Field Engineering
Published In Volume 17, Issue 2, April-June 2026
Published On 2026-05-20
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