Identifying and Improving Usability Problems of Cryptocurrency Exchange Mobile Applications Through Heuristic Evaluation. - Hyeji Jang; Sung H. Han; Ju Hwan Kim; Kimin Kwon (AHFE (17), 2020)

User Perspectives on Blockchain Technology: User-Centered Evaluation and Design Strategies for DApps. - Hyeji Jang; Sung H. Han; Ju Hwan Kim (IEEE Access, 2020)

Usability in a Token-Based Ecosystem. - Kimin Kwon; Sung H. Han; Hyeji Jang; Ju Hwan Kim (AHFE (17), 2021)