Cointelegraph |
Xerox Wins Patent for Blockchain System That Tracks Revisions to Electronic Documents
Cointelegraph The U.S. Patent and Trademark Office (USPTO) has awarded Xerox 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 ... Xerox wins patent for blockchain implementation in tracking changes to e-docs American Express (Amex) Files New Blockchain Patent to Correlate Images of Receipts With Stored Records |
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