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Aljosha Judmayer successfully defended his PhD thesis

We congratulate Aljosha Judmayer to successfully defending his PhD thesis “Pay to Win – Algorithmic Incentive Manipulation Attacks on Permissionless Cryptocurrencies” and thank Rainer Böhme and Bryan Ford for their service as examiners.

Defensio Aljosha Judmyer
© Edgar Weippl

Aljosha and our distributed systems group have had some excellent publications in the last years:

Opportunistic Algorithmic Double-Spending: How I learned to stop worrying and love the Fork (2022)
Stifter, N., Judmayer, A., Schindler, P., Weippl, E. (2022). Opportunistic Algorithmic Double-Spending:. In: Atluri, V., Di Pietro, R., Jensen, C.D., Meng, W. (eds) Computer Security – ESORICS 2022. ESORICS 2022. Lecture Notes in Computer Science, vol 13554. Springer, Cham. https://doi.org/10.1007/978-3-031-17140-6_3

RandRunner: Distributed Randomness from Trapdoor VDFs with Strong Uniqueness (2021)
Network and Distributed Systems Security (NDSS) Symposium 2021 in cooperation with USENIX 21-25 February 2021, Virtual. ISBN 1-891562-66-5. https://dx.doi.org/10.14722/ndss.2021.2311

HydRand: Practical Continuous Distributed Randomness (2020)
P. Schindler, A. Judmayer, N. Stifter and E. Weippl, “HydRand: Efficient Continuous Distributed Randomness,” 2020 IEEE Symposium on Security and Privacy (SP), San Francisco, CA, USA, 2020, pp. 73-89, doi: 10.1109/SP40000.2020.00003

Proof-of-Blackouts? How Proof-of-Work Cryptocurrencies Could Affect Power Grids (2018)
Ullrich, J., Stifter, N., Judmayer, A., Dabrowski, A., Weippl, E. (2018). Proof-of-Blackouts? How Proof-of-Work Cryptocurrencies Could Affect Power Grids. In: Bailey, M., Holz, T., Stamatogiannakis, M., Ioannidis, S. (eds) Research in Attacks, Intrusions, and Defenses. RAID 2018. Lecture Notes in Computer Science(), vol 11050. Springer, Cham. https://doi.org/10.1007/978-3-030-00470-5_9

Condensed Cryptographic Currencies Crash Course (C5) (2016)
CCS ’16: Proceedings of the 2016 ACM SIGSAC Conference on Computer and Communications Security October 2016. Pages 1857–1858. https://doi.org/10.1145/2976749.2976754

The Other Side of the Coin: User Experiences with Bitcoin Security and Privacy (2016)
Krombholz, K., Judmayer, A., Gusenbauer, M., Weippl, E. (2017). The Other Side of the Coin: User Experiences with Bitcoin Security and Privacy. In: Grossklags, J., Preneel, B. (eds) Financial Cryptography and Data Security. FC 2016. Lecture Notes in Computer Science(), vol 9603. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-54970-4_33