| 2025 | CRYPTO | Shorter, Tighter, FAESTer: Optimizations and Improved (QROM) Analysis for VOLE-in-the-Head Signatures. | Carsten Baum, Ward Beullens, Lennart Braun, Cyprien Delpech de Saint Guilhem, Michael Kloo, Christian Majenz, Shibam Mukherjee, Emmanuela Orsini, Sebastian Ramacher, Christian Rechberger, Lawrence Roy, Peter Scholl |
| 2025 | EuroCrypt | Improved Cryptanalysis of SNOVA. | Ward Beullens |
| 2025 | EuroCrypt | The 2Hash OPRF Framework and Efficient Post-quantum Instantiations. | Ward Beullens, Lucas Dodgson, Sebastian H. Faller, Julia Hesse |
| 2024 | ASIACRYPT | One Tree to Rule Them All: Optimizing GGM Trees and OWFs for Post-Quantum Signatures. | Carsten Baum, Ward Beullens, Shibam Mukherjee, Emmanuela Orsini, Sebastian Ramacher, Christian Rechberger, Lawrence Roy, Peter Scholl |
| 2023 | CCS | Lattice-Based Blind Signatures: Short, Efficient, and Round-Optimal. | Ward Beullens, Vadim Lyubashevsky, Ngoc Khanh Nguyen, Gregor Seiler |
| 2023 | CRYPTO | Graph-Theoretic Algorithms for the Alternating Trilinear Form Equivalence Problem. | Ward Beullens |
| 2023 | CRYPTO | LaBRADOR: Compact Proofs for R1CS from Module-SIS. | Ward Beullens, Gregor Seiler |
| 2022 | CRYPTO | Breaking Rainbow Takes a Weekend on a Laptop. | Ward Beullens |
| 2022 | EuroCrypt | Group Signatures and More from Isogenies and Lattices: Generic, Simple, and Efficient. | Ward Beullens, Samuel Dobson, Shuichi Katsumata, Yi-Fu Lai, Federico Pintore |
| 2021 | EuroCrypt | Improved Cryptanalysis of UOV and Rainbow. | Ward Beullens |
| 2021 | PQCrypto | CSI-RAShi: Distributed Key Generation for CSIDH. | Ward Beullens, Lucas Disson, Robi Pedersen, Frederik Vercauteren |
| 2020 | ASIACRYPT | Calamari and Falafl: Logarithmic (Linkable) Ring Signatures from Isogenies and Lattices. | Ward Beullens, Shuichi Katsumata, Federico Pintore |
| 2020 | EuroCrypt | Sigma Protocols for MQ, PKP and SIS, and Fishy Signature Schemes. | Ward Beullens |
| 2020 | PQCrypto | LegRoast: Efficient Post-quantum Signatures from the Legendre PRF. | Ward Beullens, Cyprien Delpech de Saint Guilhem |
| 2019 | ASIACRYPT | CSI-FiSh: Efficient Isogeny Based Signatures Through Class Group Computations. | Ward Beullens, Thorsten Kleinjung, Frederik Vercauteren |
| 2019 | INDOCRYPT | PKP-Based Signature Scheme. | Ward Beullens, Jean-Charles Faugre, Eliane Koussa, Gilles Macario-Rat, Jacques Patarin, Ludovic Perret |
| 2019 | PKC | Obfuscating Simple Functionalities from Knowledge Assumptions. | Ward Beullens, Hoeteck Wee |
| 2018 | ASIACRYPT | Practical Attacks Against the Walnut Digital Signature Scheme. | Ward Beullens, Simon R. Blackburn |
| 2017 | INDOCRYPT | Field Lifting for Smaller UOV Public Keys. | Ward Beullens, Bart Preneel |
| 2017 | PQCrypto | MQ Signatures for PKI. | Alan Szepieniec, Ward Beullens, Bart Preneel |