Kode_Stylers: Author Identification through Naturalness of Code: An Ensemble Approach. - Panyawut Sriiesaranusorn; Supatsara Wattanakriengkrai; Teyon Son; Takeru Tanaka; Christopher Wiraatmaja; Takashi Ishio; Raula Gaikovina Kula (FIRE (Working Notes), 2020)

Cost-Efficient Blockchain-Based Access Control for the Internet of Things. - Christopher Wiraatmaja; Yuanyu Zhang; Masahiro Sasabe; Shoji Kasahara (GLOBECOM, 2021)

Cost-Efficient Anonymous Authentication Scheme Based on Set-Membership Zero-Knowledge Proof. - Christopher Wiraatmaja; Shoji Kasahara (BRAINS, 2023)

Scalable Anonymous Authentication Scheme Based on Zero-Knowledge Set-Membership Proof. - Christopher Wiraatmaja; Shoji Kasahara (Distributed Ledger Technol. Res. Pract., 2025)