A Study on Anonymization Through Participation in iPWS Cup 2023. - Kabuto Okajima; Koji Chida (IWSEC, 2024)

Block Hijacking Attack: Impact Evaluation on Liquid Network and Design Insights for Blockchain-based Scaling Solutions. - Kabuto Okajima; Shin'ichiro Matsuo; Koji Chida (ICBC, 2025)