Some areas you might want to consider looking into. https://en.wikipedia.org/wiki/Differential_privacy https://en.wikipedia.org/wiki/Differential_privacy http

Some areas you might want to consider looking into. https://en.wikipedia.org/wiki/Differential_privacy https://en.wikipedia.org/wiki/Differential_privacy https://vitalik.eth.limo/general/2022/06/15/using_snarks.html https://vitalik.eth.limo/general/2022/06/15/using_snarks.htm... Obviously this requires companies to embrace said technologies.