Dr. Sejin Han received her Ph.D. in Computer Science and Engineering from the Sogang University in 2023. She worked as Lead Researcher at Korea Telecom in South Korea (2001–2011). In 2011, she moved to the Financial Supervisory Service in South Korea. Since 2024, She has been teaching Blockchain and Digital Assets as an Adjunct Professor at Sogang University. Her research topics mainly include blockchain, information security, fintech, and artificial intelligence.