Mag. Nicholas Stifter, Bakk.
1090 Wien
Courses
Summer term 2026
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052011 VU Security and Privacy Engineering
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052715 VU Network Security
Publications
Reuse of Public Keys Across UTXO and Account-Based Cryptocurrencies. / Stütz, Rainer; Stifter, Nicholas; Dragaschnig, Melitta et al.
Financial Cryptography and Data Security 2026. 2026.
Publications: Contribution to book › Contribution to proceedings › Peer Reviewed
Sicherstellung und Beschlagnahme von Kryptowerten im Strafprozessrecht – Eine Analyse der neuen Rechtslage. / Putz, Evelyne; Stifter, Nicholas.
In: Spektrum des Wirtschaftsrechts, 04.04.2025, p. 7-30.
Publications: Contribution to journal › Article › Peer Reviewed
Not Your Keys, Not Your Coins? Rechtliche Lücken bei der Sicherstellung von Kryptowerten und Analyse der vorgesehenen Änderungen im Strafprozessrechtsänderungsgesetz 2024. / Putz, Evelyne; Stifter, Nicholas; Weippl, Edgar.
In: Spektrum des Wirtschaftsrechts, 22.07.2024, p. 55-82.
Publications: Contribution to journal › Article › Peer Reviewed
Blockchain-Babel: Herausforderungen bei der Entwicklung präziser Begrifflichkeiten zwischen Recht und Technik im Kontext von Kryptowährungen und Distributed-Ledger-Technologien. / Stifter, Nicholas; Judmayer, Aljosha; Putz, Evelyne et al.
Handbuch Besteuerung von Kryptowährungen. ed. / Sabine Kirchmayr; Martin Miernicki; Arthur Weilinger; Alexandra Wild; Alexander Wimmer. Wien: Facultas, 2023.
Publications: Contribution to book › Chapter › Peer Reviewed
Estimating (Miner) Extractable Value is Hard, Let's Go Shopping! / Judmayer, Aljosha (Corresponding author); Stifter, Nicholas; Schindler, Philipp et al.
Financial Cryptography and Data Security. FC 2022 International Workshops - CoDecFin, DeFi, Voting, WTSC, Revised Selected Papers: CoDecFin, DeFi, Voting, WTSC, Grenada, May 6, 2022, Revised Selected Papers. ed. / Shin'ichiro Matsuo; Lewis Gudgeon; Ariah Klages-Mundt; Daniel Perez Hernandez; Sam Werner; Thomas Haines; Aleksander Essex; Andrea Bracciali; Massimiliano Sala. Cham: Springer, 2023. p. 74-92 (Lecture Notes in Computer Science, Vol. 13412).
Publications: Contribution to book › Contribution to proceedings › Peer Reviewed
Challenges and Opportunities of Blockchain for Auditable Processes in the Healthcare Sector. / Fdhila, Walid; Stifter, Nicholas; Judmayer, Aljosha.
Business Process Management (BPM): Blockchain, Robotic Process Automation, and Central and Eastern Europe Forum. Cham: Springer, 2022. p. 68-83.
Publications: Contribution to book › Contribution to proceedings › Peer Reviewed
Opportunistic Algorithmic Double-Spending: How I learned to Stop Worrying and Love the Fork. / Stifter, Nicholas (Corresponding author); Judmayer, Aljosha; Schindler, Philipp et al.
Computer Security – ESORICS 2022: 27th European Symposium on Research in Computer Security, Proceedings. ed. / Vijayalakshmi Atluri; Roberto Di Pietro; Christian D. Jensen; Weizhi Meng. Cham: Springer, 2022. p. 46-66 (Lecture Notes in Computer Science, Vol. 13554).
Publications: Contribution to book › Contribution to proceedings › Peer Reviewed
How much is the fork? Fast Probability and Profitability Calculation during Temporary Forks. / Judmayer, Aljosha; Stifter, Nicholas; Schindler, Philipp et al.
WWW '22 - Companion Proceedings of the Web Conference 2022. New York: Association for Computing Machinery (ACM), 2022. p. 467-477.
Publications: Contribution to book › Contribution to proceedings › Peer Reviewed
What is Meant by Permissionless Blockchains? / Stifter, Nicholas; Judmayer, Aljosha; Schindler, Philipp et al.
Crypto Valley Conference on Blockchain Technology. IEEE, 2021.
Publications: Contribution to book › Contribution to proceedings › Peer Reviewed
RandRunner: Distributed Randomness from Trapdoor VDFs with Strong Uniqueness. / Schindler, Philipp; Judmayer, Aljosha; Hittmeir, Markus et al.
2021 Network and Distributed System Security Symposium (NDSS). 2021.
Publications: Contribution to book › Contribution to proceedings › Peer Reviewed
Projects
Distributed Ledger Development and Implementation
Weippl, E. (Project Lead), Schindler, P. (Scientific Project Staff), Stifter, N. (Scientific Project Staff) & Fdhila, W. (Scientific Project Staff)
1/01/23 → 30/09/23
Project: Research cooperation
Christian Doppler Labor für Verbesserung der Sicherheit von Informationsprozessen in Produktionssystemen (CDL-SQI)
Weippl, E. (Project Lead), Ullrich, J. (Scientific Project Staff), Stifter, N. (Scientific Project Staff), Schindler, P. (Scientific Project Staff), Ekelhart, A. (Scientific Project Staff), Eckhart, M. (Scientific Project Staff), Judmayer, A. (Scientific Project Staff), Holzinger, K. (Scientific Project Staff) & Schuhmacher, B. (Technical Project Staff)
1/04/20 → 31/12/24
Project: Research cooperation
Talks
Challenges and Opportunities of Blockchain for Auditable Processes in the Healthcare Sector
Fdhila, W. (Speaker), Stifter, N. (Contributor) & Judmayer, A. (Contributor)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Vortrag beim ViSP Meetup: This is fine? An informal look at open issues in cryptocurrencies
Judmayer, A. (Speaker) & Stifter, N. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Public
Talk auf der Crypto Valley Conference 2021: Short Paper: What is Meant by Permissionless Blockchains?
Stifter, N. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
Vortrag auf der Austrian Blockchain Center Conference, Session 4 Analytics, Security and Trust: Pay to Win: Incentive attacks on Cryptocurrencies
Judmayer, A. (Speaker) & Stifter, N. (Speaker)
Activity: Talks and presentations › Talk or oral contribution › Science to Science
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