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:
Oct. 19, 2021
Filed:
Dec. 12, 2018
American Express Travel Related Services Company, Inc., New York, NY (US);
Andras L. Ferenczi, Peoria, AZ (US);
Dallas L. Gale, Scottsdale, AZ (US);
Nilesh Y. Jadhav, Phoenix, AZ (US);
Harish R. Naik, Phoenix, AZ (US);
AMERICAN EXPRESS TRAVEL RELATED SERVICES COMPANY, INC, New York, NY (US);
Abstract
A zero-knowledge proof purchase system and process using blockchain is disclosed. The system may comprise a customer device, a merchant system, an issuer system, and a blockchain network having a zero-knowledge proof (ZKP) smart contract. The system may implement a zero-knowledge proof algorithm having a key generator function, a proof function, and a validate function. Each function may be configured to perform various tasks in the system to support and enable zero-knowledge proof purchases.