Technologies such as the blockchain can be a boon to the health record industry, for tamper-proof personal health records, which relies a lot on government authorities and legacy storage systems. It can empower the general public to fight against meaningless politics. Ledgers are open to the public with anonymized patient data, right from admission to discharge. No modification is possible. No tampering allowed.

MedRec is one such project incubated within MIT Media Labs that has developed a medical record-keeping prototype on an Ethereum-based, private blockchain. This decentralized application can connect the patient record along with external data sources, like Fitbit (real-time physical activity tracking app using IoT) and 23andMe ...

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