Patent ID: 11972004
Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 6:
7. A method, comprising:
splitting, by a document server of a blockchain network, a document provided by a document owner node into a plurality of segments and storing the plurality of segments via a blockchain ledger of the blockchain network, wherein a plurality of participant nodes of the blockchain network are assigned different restrictions with respect to the plurality of segments;
receiving a proposed change to the document which is input via a view of the document at a participant node among the plurality of participant nodes;
approving the proposed change to the document based on votes on the proposed change collected from the plurality of authorized participant nodes, and
in response to the determination, updating a view of the document at a different participant node from among the plurality of participants nodes by redacting a portion of the document based on a smart contract of the blockchain ledger of the blockchain network and the approved proposed change to the document.