Safety and Security Analysis using LDA based on Case Reports: Case Study and Trust Evaluation Method. - Katsuyuki Umezawa; Hiroki Koyanagi; Sven Wohlgemuth; Yusuke Mishina; Kazuo Takaragi (ARES, 2022)

Secure Revocation Features in eKYC - Privacy Protection in Central Bank Digital Currency. - Kazuo Takaragi; Takashi Kubota; Sven Wohlgemuth; Katsuyuki Umezawa; Hiroki Koyanagi (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2023)