International Business Machines Corporation
PRESERVATION OF PRIVACY IN LARGE DATASETS

Abstract:

An example operation may include one or more of receiving, by a file processing node, a document file identification (ID) from a file owner node over a blockchain, acquiring, by the file processing node, a file storage plan executable script and an encrypted symmetric key for the document, decrypting the symmetric key by the file processing node, and executing the file storage plan executable script using the decrypted symmetric key as an input.