EHR-Chain: Implementing a Blockchain-Based Electronic Health Record System at Tumakuru Siddaganga Hospital Using Ethereum for Enhanced Security and Patient Care

Abstract

Blockchain technology has become an essential tool for enhancing reliability and security across several industries, including the healthcare sector. In this work, we use blockchain technology to establish an append-only chain of transaction blocks that guarantees the confidentiality and integrity of patient health records. Our goals in using blockchain are to safeguard user privacy, give authorized professionals restricted access to medical records, and protect patient data. Doctors are only able to access prescription information with the patient's express consent, providing strong protection for both parties. The blockchain's consensus processes, which need approval from current nodes before new transactions can be added, ensure consistency across blocks. Because they are worried about sensitive data leaks, traditional healthcare systems frequently experience delays in data transmission and enforce stringent access controls. To enhance data sharing and lower the likelihood of data tampering and security breaches, this study will incorporate blockchain technology into healthcare records and data management.

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