Xerox Wins Patent for Blockchain System That Tracks Revisions to Electronic Documents

The U.S. Patent and Trademark Office (USPTO) has awarded Xerox (NYSE:XRX) a patent for a blockchain-driven auditing system for electronic files, according to a patent filing published Nov. 13.

Xerox — known for its eponymous printing and digital copying appliances — first filed the patent in August 2017. The patent describes a blockchain-based system for the secure recording of revisions made to electronic documents.

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