International Business Machines Corporation

Sumabala Nair

Igor S Ramos

Marc Dickenson

An example operation may include one or more of receiving, by a document server, a document from a document owner node, the document contains restricted access segments, splitting, by the document server, the document into a plurality of ledger entries to be stored on a blockchain, updating, by the document server, a ledger entry of the plurality of the ledger entries based on a proposed change to the document made by an authorized participant node, committing, by the document server, the ledger entry to the blockchain based on votes collected from a plurality of participant nodes, and sending a notification to a set of participating nodes of the plurality of the participant nodes authorized to view the document.

Document redaction and reconciliation

An example operation may include one or more of splitting, by a document server, a document provided by a document owner node into a plurality of segments to be stored on a ledger of a blockchain, detecting, by the document server, a change to the document made by an authorized participant node, updating, by the document server, a segment of the plurality of segments stored on the ledger based on the change to the document, collecting, by the document server, votes on the change to the document from a plurality of participant nodes, and committing the updated segment to the blockchain based on the votes.

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Austin, TX, United States of America

Sumabala Nair