- 특허명 : SYSTEM FOR BLOCKCHAIN-BASED CERTIFICATE

- 등록국가: 미국

- 출원인 : 서울외국어대학원대학교 산학협력단 외 1인

- 출원번호 : 18682049

- 출원일자: 2024년 2월 7일

- 등록번호 : 12706058

- 등록일자 : 2026년 8월 11일

- 발명자 : 서울외대 박근덕

- 요약 : 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 user terminal, and stores, in off-chain, information associated with issuance of certificate, the certificate issuance request including first public key of user and personal information of user, and the information associated with issuance of certificate including user's first public key, the user's personal information, and second public key of issuer; user terminal that provides service provider terminal with certificate including digital signature of user via wireless communication to receive verification of certificate; and service provider terminal that verifies certificate via on-chain, wherein at least some of information associated with issuance of certificate, stored in off-chain, is synchronized and stored in on-chain.