Title:
METHOD FOR APPROVING USE OF CARD BY USING BLOCKCHAIN-BASED TOKEN ID AND SERVER USING METHOD
Document Type and Number:
WIPO Patent Application WO/2018/194378
Kind Code:
A1
Abstract:
The present invention 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.
Inventors:
SUH MOON GJU (KR)
HONG JAY WU (KR)
UHR JOON SUN (KR)
HONG JAY WU (KR)
UHR JOON SUN (KR)
Application Number:
PCT/KR2018/004521
Publication Date:
October 25, 2018
Filing Date:
April 18, 2018
Export Citation:
Assignee:
COINPLUG INC (KR)
International Classes:
G06Q20/40; G06Q20/38
Foreign References:
| KR101393720B1 | 2014-05-13 | |||
| KR101590076B1 | 2016-02-01 | |||
| KR100617657B1 | 2006-08-28 | |||
| KR20080027660A | 2008-03-28 |
Other References:
See also references of EP 3614325A4
Attorney, Agent or Firm:
SU INTELLECTUAL PROPERTY (KR)
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