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Oracle Blockchain Blog

Synchronized Patient Health Data with Blockchain Technology

Neil Cattermull
Director, the Future as a Service

All of us have experienced a health issue at one time or another. What if there were a way of pulling health history information together in a way that ensures the right healthcare decisions are made at the right moment?

Imagine smart devices that monitor your health and relay changes as well as logging and creating real-time histories of particular health conditions? If you said this is not new, you would be right. However, in light of data privacy laws such as General Data Protection Regulation (GDPR) in Europe and HIPAA in the US, and the highly sensitive personal data being collected, you have a real challenge that organizations struggle with.

Now let’s add another challenge: I, as a patient, would like to have a copy of my collected medical data. My doctor also must have accurate, up-to-the-moment information about my medical history to accurately assess my health and suggest the correct, potentially lifesaving treatment.

Real-time healthcare with blockchain technology

Despite these challenges, it makes you wonder why this isn’t possible today given the pace of technology innovation. The answer is that it is entirely possible.

Through the combined power of the cloud, the Internet of Things (IoT), and blockchain, HealthSync is making it happen.


The company’s healthcare network as a service (HNaaS) platform—powered by the Oracle Blockchain Platform—allows healthcare organizations to share processes and data securely on a need-to-know basis.

How does HealthSync put the cloud, IoT, and blockchain to work to help manage users’ health?  
•    Smart IoT devices gather health information as the first step.
•    This information is then stored in a distributed ledger system (a blockchain) using cloud-based integration.
•    Additional access to the pertinent data can be shared with healthcare providers through this single source of information.

A smart device collates the data via cloud-based IoT technology and uploads patient data to a secure, permission-based blockchain. This creates an up-to-date, accurate record of a patient’s health—one that cannot be changed. The stored, vital information can then be disseminated to healthcare providers, doctors, caregivers, and hospitals more efficiently—providing accurate patient health information to the correct healthcare practitioner when it’s needed to develop the most effective treatment plan.

“The source of the data comes from patients’ vitals through Oracle’s IoT cloud. So we collect the data from IoT devices,” says Moses Rajan, CEO of HealthSync. “Then it goes into the blockchain. Some of the critical data is only we captured in the blockchain. We also offer other information, which is collected for analytical purposes through an Oracle Cloud.”

Technology and the future of healthcare

This is a major step forward for the healthcare industry, which stands to gain enormous efficiencies from emerging technologies like blockchain, but which also faces high stakes when deviating from well-established processes designed to protect patient data privacy.

We could go one step further by adding “side chains” that can give the patient access via a smart app, allowing the individual to view his or her pertinent medical information, in accordance with GDPR and HIPAA if implemented appropriately.

To learn more about how this technology works, watch this short video narrated by Moses Rajan, CEO of HealthSync:

For more information about Blockchain technology visit the Oracle Blockchain website.

Authored by: Neil Cattermull – Industry analyst @NeilCattermull – The Future as a Service

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