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Funny part is that several countries here in Europe actually had a period where you had to carry a quick test for Covid to use certain services.

Decentralizing healthcare seems to be the way things are going as relatively healthy people are interested in their health. In previous generations, health was only something to think about when you were sick. Now it's something to be optimized.

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Sep 13, 2021
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It absolutely could with appropriate data privacy since different stakeholders can use either anonymous, pseudonymous, or identifiable information.

Imagine you have a daily blood test with instant results that spit out a list of 20 measurements. Those measurements in and of itself could be useful, especially when tracked over time.

Now imagine you add *pseudonymous* information to this, like gender, age (range), activity level, etc. and the data has new usefulness.

Now let's say you do this for the entire US population of more than 300 million people over several decades. You can use AI (software) to find correlation between people that eventually develop a specific type of cancer. If the pattern leading to that cancer type can be discerned from a specific data set where someone has not yet been diagnosed, you could selectively deanonymize that data to warn the person who is possibly at risk.

This could be done with regulation, where someone would have to decide on when to selectively deanonymize results. With crypto, this process could potentially be done automatically and without involving a third party. The data owner (patient) allows his data to be used in the data model and in turn benefits from it in case a risk factor is identified.

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