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:
Mar. 23, 2021
Filed:
Nov. 20, 2018
International Business Machines Corporation, Armonk, NY (US);
Woong A. Yoon, Boxborough, MA (US);
Daniel Dulaney, Groton, MA (US);
John P Filippone, Cambridge, MA (US);
Bonnie Ishiguro, San Jose, CA (US);
Alex X Casella, Cambridge, MA (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method, computer system, and a computer program product for controlling access to an asset in a blockchain network is provided. The present invention may include encrypting the asset using a target encryption key. The present invention may also include storing the encrypted asset on a ledger. The present invention may then include receiving a start encryption key to access the asset. The present invention may further include traversing a graph of keys beginning with the start encryption key across a plurality of nodes and edges until reaching the target encryption key. The present invention may also include allowing access to the asset based on reaching the target encryption key.