US 11,658,816 B2
Document control system for blockchain
David Gerard Ledet, Allen, TX (US)
Assigned to Philips North America LLC, Cambridge, MA (US)
Filed by PHILIPS NORTH AMERICA LLC, Cambridge, MA (US)
Filed on Apr. 14, 2021, as Appl. No. 17/230,986.
Claims priority of provisional application 63/010,651, filed on Apr. 15, 2020.
Prior Publication US 2021/0328785 A1, Oct. 21, 2021
Int. Cl. H04L 9/08 (2006.01); G06F 7/58 (2006.01)
CPC H04L 9/0861 (2013.01) [G06F 7/588 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method, comprising:
initiating a transaction of a blockchain by a contributing member of a blockchain group to assign a digital data based document to itself or to at least one other member of the group;
validating a block of the blockchain associated with the transaction by the contributing member or the at least one other verified member;
sending an ephemeral location of the document to the contributing member or the at least one other verified member; and
modifying the document in the ephemeral location by the contributing member or the at least one other verified member to create a modified document,
saving the modified document,
appending a subsequent transaction of the blockchain to record the saving of the modified document, and
withdrawing verification in the blockchain group for at least one of the contributing member and the at least one other verified member after a defined time interval.