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Amex Files Patent For Blockchain System To Match Receipt Images

Financial services firm American Express or Amex has filed a patent for a blockchain-based system that can match the images of a receipt with stored records.

According to a U.S. Patent and Trademark Office or USPTO patent filing, named “Linking digital images with related records”, the system offers a new method to receive, record and transmit images of receipts. The blockchain-based system utilizes optical character recognition on the image.

It allows a user with a mobile devic…
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