Decentralized EHR Storage Using Blockchain

Abstract

Traditionally the health records of the patient are stored in a hospital database and the hospital administration or the healthcare provider generally retain access to this medical data. The health records of patients are scattered among different hospitals. Hence, it becomes difficult to access the historical data of the patient when needed. These results are delayed and possibly incomplete data provided by the patient to their doctor. These flaws can be overcome by the implementation of an Electronic Health Record (EHR) system. Blockchain provides a decentralized platform for storing and accessing EHR, which is almost impossible to tamper with. Every user in the network acts as a node and has a ledger that stores all the data, which means the possibility of a loss of data is extremely low. Our work aims to simplify the accessing and managing of patients’ historical medical records using a decentralized application and blockchain technology.