
Credit: Katrin Glückler
PGP-Key
Teaching
- HWS 2020 – Praktische Informatik I - Tutorial
- FSS 2021 – Team Project: Cryptocurrency Forensics
- HWS 2021 – Praktische Informatik I – Exercise
- HWS 2021 – Team Project: Cryptocurrency Forensics
- FSS 2022 – Team Project: Cryptocurrency Forensics
- HWS 2022 – Praktische Informatik I – Exercise
- HWS 2022 – Blockchain Security – Exercise
- FSS 2023 – Selected Topics in IT-Security – Exercise
- HWS 2023 – Praktische Informatik I – Exercise
- HWS 2023 – Blockchain Security – Exercise
- HWS 2024 – Blockchain Security – Exercise
- Supervision of theses
Scientific Publications
- Alexander Brechlin, Jochen Schäfer, Frederik Armknecht:
“Buy Crypto, Sell Privacy: An Extended Investigation of the Cryptocurrency Exchange Evonax”, International Journal of Network Management Volume 35 Issue 1, Special Issue: Best Papers of CryptoEx 2024, Wiley, doi: https://doi.org/10.1002/nem.2325 - Jochen Schäfer, Frederik Armknecht, Youzhe Heng:
“R+R: Revisiting Graph Matching Attacks on Privacy-Preserving Record Linkage”, 2024 Annual Computer Security Applications Conference (ACSAC), Honolulu, Hawaii, USA, 2024 - Alexander Brechlin, Jochen Schäfer, Frederik Armknecht:
“Buy Crypto, Sell Privacy: Investigating the Cryptocurrency Exchange Evonax,” 2024 IEEE International Conference on Blockchain and Cryptocurrency (ICBC), Dublin, Ireland, 2024, pp. 1–7
doi: https://doi.org/10.1109/ICBC59979.2024.10634385 - Jochen Schäfer, Christian Müller, Frederik Armknecht:
0 Sterne für die Sicherheit: Wie Kundenbewertungen die Bitcoin-Adressen von Darknet-Händlern verraten. Sicherheit 2024. Bonn: Gesellschaft für Informatik e.V.. PISSN: 1617-5468. ISBN: 978-3-88579-739-5. pp. 153–170. Full Paper Session 5 – Privacy. Worms. 09.-11.04.2024
doi: https://doi.org/10.18420/sicherheit2024_010 - Jochen Schäfer, Christian Müller, Frederik Armknecht:
If You Like Me, Please Don't “Like” Me: Inferring Vendor Bitcoin Addresses From Positive Reviews. Proc. Priv. Enhancing Technol. 2022(1): 440–459 (2022).
doi: https://doi.org/10.2478/popets-2022-0022
Other Publications
- SWR/
Tagesschau: Citrix-Sicherheitslücke – Gefahr für Tausende Unternehmen, 2020 - NDR/
funk: Bitcoin: Wohin führt die Spur illegaler Geschäfte? | STRG_F, 2021