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. 17, 2023
Filed:
Oct. 17, 2019
Coinplug, Inc., Seongnam-si, KR;
COINPLUG, INC., Seongnam, KR;
Abstract
The present disclosure relates to a method for approving the use of a card by using a token-ID, wherein, in a state where a card token ID, identification information of a user, a push token ID, and a public key of the user are registered in a blockchain database and a blockchain transaction ID corresponding thereto is managed, when payment request information is acquired, a relay server: requests authentication of order data from a user terminal; checks whether a user signature value obtained in response to the authentication request is valid, and registers the order data in the blockchain database; and registers, in the blockchain database, approval result information which is obtained through verification of the order data by a financial server, and transmits the approval result information to at least one of a service providing terminal and the user terminal.