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:
Jun. 11, 2024
Filed:
Nov. 09, 2020
International Business Machines Corporation, Armonk, NY (US);
Elli Androulaki, Zürich, CH;
Alessandro Sorniotti, Rueschlikon, CH;
Ilie Circiumaru, Rueschlikon, CH;
Miguel Angel Prada Delgado, Rueschlikon, CH;
Marc Ph. Stoecklin, Rueschlikon, CH;
Marko Vukolić, Rueschlikon, CH;
Jesus Diaz Vico, Rüschlikon, CH;
International Business Machines Corporation, Armonk, NY (US);
Abstract
An example operation may include one or more of extracting a data object from a machine-readable code. The data object can include fields of data signed with a digital signature of a private key, detecting an identifier of an issuer of the data object from the extracted data object, retrieving a public key from a blockchain based on the identifier of the issuer detected from the field of the extracted data object, and verifying the digital signature of the private key based on the fetched public key.