The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 14, 2025
Filed:
Jan. 18, 2024
Nchain Licensing Ag, Zug, CH;
NCHAIN LICENSING AG, Zug, CH;
Abstract
Disclosed herein are a process, an apparatus, and an article of manufacture for storing encrypted documents using a plurality of participating nodes that submit transactions to and/or retrieve transactions from a blockchain network. Functionality disclosed herein includes, but is not limited to, generating a collaborative public key with each of the participating nodes having a share of a corresponding collaborative private key, submitting, based on the collaborative public key and one or more shares of corresponding collaborative public keys, a respective encrypted document to a document repository, submitting a commitment transaction and a subsequent transaction associated with the encrypted document, and, at a future time, retrieving, based on a share of the collaborative public key, a set of subsequent transactions to generate a collective private key and decrypt the encrypted document. In some implementations, hashing operations are involved document encryption, document integrity verification, and document decryption.