Reason blockchain makes it possible

When a central authority essentially monitors you, they use that data to help you and also monetizes that data for them by essentially renting the calculations which result from it to advertisers. All the Web 2.0 giants do that; that's their business model. So in Web 3.0: we own our information, we have it, and we need to give permission for others to see it.
The idea was that it must start with most interesting feature of blockchain from the health sector is the ability of patients to own and control their own health information.

Patients might actually benefit from their health and demographic data, with the choice to sell it to health research studies or drug discovery. In this blockchain, each of these such instructions by a patient produces a specific smart contract on the blockchain that only the patient can cryptographically sign.

And those models will identify robust patterns that let’s say, should you do so on your twenties, here's the impact on your fifties, so you don't wish to do that. Because right now it's like, ‘I’ll do what I like now and worry about it when I go and see the doctor, but really my physician is responsible for my health.' Those are reasons that you might want to give someone access to your medical data. Maybe you just moved into a new city and need to give your new physician access to your medical history, or maybe you want to nominate a healthcare proxy in case of emergency or have your prescription sent to your pharmacy.

If we own our data, we have agency over our data, and then we also own our health. And the world's best health systems are typically fragmented. You've got hospitals, community clinics, general practitioners, specialists, diagnostic practices, and so on.

Reason blockchain makes that possible is we can have adequate data that can also be trusted. The blockchain is an immutable database and contains other attributes, like being able to have digitally signed attestations about us. Those two things have the ability for individuals to keep their data but also have that information be trusted by others.
All this information will be connected to an identity patient's hands; they could decide who gets to see what. Perhaps a knee specialist does not require access your sexual health history. Blockchain could allow for this amount of personal control.

It executes the patient's directions as and if needed, sending data to a pharmacy or a professional for referral -- assuming the individual gives their approval. Third, the module allocates computing resources to preserving the blockchain.
In the United States, healthcare comes from a patchwork of private businesses, so the handling of patient information is much more fragmented. The holy grail for our medical information are hospitals, like the UK or Canada, have workable national systems for exchanging patient records, but those can be vulnerable to hackers.

The system they outlined was to use Ethereum software -- that, unlike Bitcoin, can integrate and execute smart contracts -- to create a private blockchain, linking healthcare providers together and allowing them to share their information.

Providers run a program module on their computer to access the database, as instructed by the smart contracts, which are initiated by the individual.

I am not always talking about all the intricacies of data when you went to a hospital. I'm talking about your genome, your nutrition, and your exercise data. Your micro biome. All of these things are important to optimizing your health over long periods of time, and we don't track them.

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