Xerox

copier, xerox
Proof of Xerox? Copier Giant Pursues Blockchain Time-Stamping Strategy
Xerox may be looking to use blockchain to create digital proofs for documents and other forms of data, according to a patent filing.
copier, xerox

Xerox
Xerox Patent Applications Reveal Plan for Blockchain Records System
Technology giant Xerox wants to patent a way to securely revise electronic documents that uses blockchain, public records show.
Xerox