Title:
SYSTEM FOR BLOCKCHAIN-BASED CERTIFICATE
Document Type and Number:
WIPO Patent Application WO/2023/022252
Kind Code:
A1
Abstract:
Disclosed are a system for a blockchain-based certificate and software stored in a computer-readable storage medium for operation thereof. The system comprises: an issuer device that issues, to a user terminal, a certificate including a digital signature of an issuer in response to a certificate issuance request from the user terminal, and stores, in an off-chain, information associated with the issuance of the certificate, the certificate issuance request including a first public key of a user and personal information of the user, and the information associated with the issuance of the certificate including the user's first public key, the user's personal information, and a second public key of the issuer; the user terminal that provides a service provider terminal with the certificate including a digital signature of the user via wireless communication to receive verification of the certificate; and the service provider terminal that verifies the certificate via an on-chain, wherein at least some of the information associated with the issuance of the certificate, stored in the off-chain, is synchronized and stored in the on-chain.
Inventors:
PARK KEUNDUG (KR)
YOUM HEUNGYOUL (KR)
YOUM HEUNGYOUL (KR)
Application Number:
PCT/KR2021/010976
Publication Date:
February 23, 2023
Filing Date:
August 18, 2021
Export Citation:
Assignee:
SEOUL UNIV OF FOREIGN STUDIES INDUSTRY ACADEMY COOPERATION FOUNDATION (KR)
SOONCHUNHYANG IND ACADEMY COOPERATION FOUNDATION (KR)
SOONCHUNHYANG IND ACADEMY COOPERATION FOUNDATION (KR)
International Classes:
G16H50/80; G16H10/60; H04L9/08; H04L9/32
Foreign References:
| KR102280061B1 | 2021-07-22 | |||
| KR20210066326A | 2021-06-07 | |||
| KR102189301B1 | 2020-12-11 | |||
| KR102211937B1 | 2021-02-04 | |||
| KR20210040569A | 2021-04-14 |
Attorney, Agent or Firm:
ENVISION PATENT & LAW FIRM (KR)
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