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155 Publications
2026 |
Published |
Conference Paper |
IST-REx-ID: 21042 |
R. Neiheiser and E. Kokoris Kogias, “Anthemius: Efficient and modular block assembly for concurrent execution,” in 29th International Conference on Financial Cryptography and Data Security, Miyakojima, Japan, 2026, vol. 15751, pp. 307–323.
[Preprint]
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| arXiv
2026 |
Published |
Conference Paper |
IST-REx-ID: 21134 |
M. A. Baig and K. Z. Pietrzak, “On the (in)security of Proofs-of-space based longest-chain blockchains,” in 29th International Conference on Financial Cryptography and Data Security, Miyakojima, Japan, 2026, vol. 15752, pp. 127–142.
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| arXiv
2025 |
Published |
Conference Paper |
IST-REx-ID: 19778 |
C. Hoffmann and K. Z. Pietrzak, “Watermarkable and zero-knowledge Verifiable Delay Functions from any proof of exponentiation,” in 28th IACR International Conference on Practice and Theory of Public-Key Cryptography, Roros, Norway, 2025, vol. 15674, pp. 36–66.
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2025 |
Published |
Conference Paper |
IST-REx-ID: 20053 |
K. Chatterjee, S. Gilbert, S. Schmid, J. Svoboda, and M. X. Yeo, “When is liquid democracy possible?: On the manipulation of variance,” in Proceedings of the ACM Symposium on Principles of Distributed Computing, Huatulco, Mexico, 2025, pp. 241–251.
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| WoS
2025 |
Published |
Thesis | PhD |
IST-REx-ID: 20556
C. Hoffmann, “Theory and applications of verifiable delay functions,” Institute of Science and Technology Austria, 2025.
[Published Version]
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2025 |
Published |
Conference Paper |
IST-REx-ID: 20587 |
M. A. Baig, C. U. Günther, and K. Z. Pietrzak, “Nakamoto consensus from multiple resources,” in 7th Conference on Advances in Financial Technologies, Pittsburgh, PA, United States, 2025, vol. 354.
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| arXiv
2025 |
Published |
Conference Paper |
IST-REx-ID: 19600 |
Z. Avarikioti, M. Bastankhah, M. A. Maddah-Ali, K. Z. Pietrzak, J. Svoboda, and M. X. Yeo, “Route discovery in private payment channel networks,” in Computer Security. ESORICS 2024 International Workshops, Bydgoszcz, Poland, 2025, vol. 15263, pp. 207–223.
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2025 |
Published |
Conference Paper |
IST-REx-ID: 19712 |
M. Cueto Noval, S.-P. Merz, P. Stählin, and A. Ünal, “On the soundness of algebraic attacks against code-based assumptions,” in 44th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Madrid, Spain, 2025, vol. 15606, pp. 385–415.
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2025 |
Conference Paper |
IST-REx-ID: 19738 |
A. Acharya, K. Azari, M. A. Baig, D. Hofheinz, and C. Kamath, “Securely instantiating ‘Half Gates’ garbling in the standard model,” in 28th IACR International Conference on Practice and Theory of Public-Key Cryptography, Roros, Norway, 2025, vol. 15677, pp. 37–75.
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2025 |
Published |
Conference Paper |
IST-REx-ID: 20844 |
J. Dujmovic, C. U. Günther, and K. Z. Pietrzak, “Space-deniable proofs,” in 23rd International Conference on Theory of Cryptography, Aarhus, Denmark, 2025, vol. 16271, pp. 171–202.
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2025 |
Published |
Conference Paper |
IST-REx-ID: 20845 |
S. Agrawal, A. Modi, A. Yadav, and S. Yamada, “Zeroizing attacks against evasive and circular evasive LWE,” in 23rd International Conference on Theory of Cryptography, Aarhus, Denmark, 2025, vol. 16269, pp. 259–290.
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2025 |
Published |
Conference Paper |
IST-REx-ID: 20846 |
N. Brandt, M. Cueto Noval, C. U. Günther, A. Ünal, and S. Wohnig, “Constrained verifiable random functions without obfuscation and friends,” in 23rd International Conference on Theory of Cryptography, Aarhus, Denmark, 2025, vol. 16271, pp. 478–511.
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2025 |
Published |
Thesis | PhD |
IST-REx-ID: 20920 |
C. Hoffmann, “Theory and applications of verifiable delay functions,” Institute of Science and Technology Austria, 2025.
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2025 |
Epub ahead of print |
Journal Article |
IST-REx-ID: 21017 |
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R. Neiheiser, M. Matos, and L. Rodrigues, “Kauri: BFT consensus with pipelined tree-based dissemination and aggregation,” ACM Transactions on Computer Systems. Association for Computing Machinery, 2025.
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2025 |
Published |
Conference Paper |
IST-REx-ID: 21262 |
B. Auerbach, M. Cueto Noval, B. Erol, and K. Z. Pietrzak, “Continuous group-key agreement: Concurrent updates without pruning,” in 45th Annual International Cryptology Conference, Santa Barbara, CA, United States, 2025, vol. 16007, pp. 141–172.
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2025 |
Published |
Conference Paper |
IST-REx-ID: 21323 |
J. Belohorec, P. Dvořák, C. Hoffmann, P. Hubáček, K. Mašková, and M. Pastyřík, “On extractability of the KZG family of polynomial commitment schemes,” in 45th Annual International Cryptology Conference, Santa Barbara, CA, United States, 2025, vol. 16005, pp. 584–616.
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2024 |
Published |
Conference Paper |
IST-REx-ID: 18086
J. F. Alwen, B. Auerbach, M. Cueto Noval, K. Klein, G. Pascual Perez, and K. Z. Pietrzak, “DeCAF: Decentralizable CGKA with fast healing,” in Security and Cryptography for Networks: 14th International Conference, Amalfi, Italy, 2024, vol. 14974, pp. 294–313.
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2024 |
Published |
Thesis | PhD |
IST-REx-ID: 18088 |
G. Pascual Perez, “On the efficiency and security of secure group messaging,” Institute of Science and Technology Austria, 2024.
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2024 |
Published |
Conference Paper |
IST-REx-ID: 18702 |
M. Anastos et al., “The cost of maintaining keys in dynamic groups with applications to multicast encryption and group messaging,” in 22nd International Conference on Theory of Cryptography, Milan, Italy, 2024, vol. 15364, pp. 413–443.
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2024 |
Draft |
Preprint |
IST-REx-ID: 20701 |
C. Hoffmann, P. Hubáček, and S. Ivanova, “Practical batch proofs of exponentiation,” Cryptology ePrint Archive. International Association for Cryptologic Research .
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