Why Walmart filed a patent for blockchain, wearables and EHR data

Healthcare IT News: Walmart’s ongoing investigation of blockchain technologies seems to have intersected with its growing interest in joining the healthcare space, according to a patent application released earlier this week by the US Patent and Trademark Office.

According to the document, which was filed in December, the retail giant is seeking to protect a method that allows a patient’s EHR to be obtained from a blockchain database even if they are unable to communicate.

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