• On Sustainable Ring-based Anonymous Systems, CSF 2023. [eprint][slides]
    Sherman S. M. Chow, Christoph Egger, Russell W. F. Lai, Viktoria Ronge, Ivy K. Y. Woo
  • On Defeating Graph Analysis of Anonymous Transactions, PoPETs 2022. [eprint][slides-longversion]
    Christoph Egger, Russell W. F. Lai, Viktoria Ronge, Ivy K. Y. Woo, Hoover H. F. Yin
    – Runners-up of the Andreas Pfitzmann Best Student Paper Award –


  • 2024 Spring (Period IV): Head TA, MS-A0402 Foundations of Discrete Mathematics
  • 2023 Autumn (Period I-II): TA, CS-E4340 Cryptography
  • 2023 Spring (Period III-IV): Head and single TA, MS-E1687 Advanced Topics in Cryptography – Lattice


  • External reviewer of: Crypto ’24, Eurocrypt ’24, ITCS ’24, Asiacrypt ’23, CCS ’23, CT-RSA ’23, SCN ’22

Selected Talks

  • 12/2023: Guest talk at KCL Cybersecurity Group, London, U.K.
  • 07/2023: 36th Computer Security Foundations Symposium (CSF), Dubrovnik, Croatia
  • 07/2023: Guest talk at MPI-SP, Bochum, Germany
  • 07/2022: 22th Privacy Enhancing Technologies Symposium (PETS), Sydney, Australia
  • 03/2022: Crypto seminar, Alfréd Rényi Institute of Mathematics, Hungary (online)
  • 09/2021: CS forum, Aalto University, Finland [info]

Past Studies

  • 10/2018–09/2020   MSc. at Ulm University, Germany
    Major: Actuarial Science
  • 09/2012–12/2017   BSc. at The University of Hong Kong, Hong Kong
    Major: Actuarial Science; Minor: Food and Nutritional Science