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Kyoo Hyung Han
Seoul
KR
1 patent
2 Patents
US12101419
2024
Blockchain Network-based Virtual Common ID Service Method and Service Provision Server Using Same
0 cites
US11700133
2023
Zero-knowledge Proof-based Certificate Service Method Using Blockchain Network, Certification Support Server Using Same, and User Terminal Using Same
COINPLUG, Inc.
0 cites