Blockchain Applications in Healthcare

6An Optimistic Approach to Share Private Health Records Using Blockchain Technology

These days, the amount of digital health data generated is increasing. Legacy systems with confidentiality and security problems are used to store and share them. Insurance data, banking information and Electronic Health Records (EHRs) are all examples of sensitive data or documents that must be exchanged digitally. Because EHRs include vital information and are frequently exchanged among several parties, including hospitals, patients and government bodies, they are both critical and sensitive. Private clinics or pharmacies maintain this information to be accurate, up to date, secret and made accessible to authorized users. In many circumstances, the transaction takes place between anonymous and unreliable people. As a result, implementing the data exchange using a fair non-repudiation protocol is considerably critical. Blockchain is no longer exclusively associated with cryptocurrencies such as Bitcoin. Blockchain is now widely used in applications that require immutable and traceable data, as well as a cryptographic and distributed ledger and is most often used in secure transactions. In a distributed ledger, records are maintained in a linked sequence of blocks, known as a Blockchain. The proposed system connects with the methods such as on-chain and off-chain communication patterns to allow patients and healthcare professionals to share personal health records. A scheme that emphasizes the ...