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137 Publications
2025 | Published | Conference Paper | IST-REx-ID: 19600
Route discovery in private payment channel networks
Avarikioti, Zeta, Route discovery in private payment channel networks. Computer Security. ESORICS 2024 International Workshops 15263. 2025
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Avarikioti, Zeta, Route discovery in private payment channel networks. Computer Security. ESORICS 2024 International Workshops 15263. 2025
2024 | Published | Conference Paper | IST-REx-ID: 15007 |

Eating sandwiches: Modular and lightweight elimination of transaction reordering attacks
O. Alpos, I. Amores-Sesar, C. Cachin, M.X. Yeo, in:, 27th International Conference on Principles of Distributed Systems, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2024.
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O. Alpos, I. Amores-Sesar, C. Cachin, M.X. Yeo, in:, 27th International Conference on Principles of Distributed Systems, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2024.
2024 | Published | Conference Paper | IST-REx-ID: 18702 |

The cost of maintaining keys in dynamic groups with applications to multicast encryption and group messaging
M. Anastos, B. Auerbach, M.A. Baig, M. Cueto Noval, M.A. Kwan, G. Pascual Perez, K.Z. Pietrzak, in:, 22nd International Conference on Theory of Cryptography, Springer Nature, 2024, pp. 413–443.
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M. Anastos, B. Auerbach, M.A. Baig, M. Cueto Noval, M.A. Kwan, G. Pascual Perez, K.Z. Pietrzak, in:, 22nd International Conference on Theory of Cryptography, Springer Nature, 2024, pp. 413–443.
2024 | Published | Conference Paper | IST-REx-ID: 18755 |

Strongly secure universal thresholdizer
E. Ebrahimi, A. Yadav, in:, 30th International Conference on the Theory and Application of Cryptology and Information Security, Springer Nature, 2024, pp. 207–239.
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E. Ebrahimi, A. Yadav, in:, 30th International Conference on the Theory and Application of Cryptology and Information Security, Springer Nature, 2024, pp. 207–239.
2024 | Published | Conference Paper | IST-REx-ID: 18756 |

Evasive LWE assumptions: Definitions, classes, and counterexamples
C. Brzuska, A. Ünal, I.K.Y. Woo, in:, 30th International Conference on the Theory and Application of Cryptology and Information Security, Springer Nature, 2024, pp. 418–449.
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C. Brzuska, A. Ünal, I.K.Y. Woo, in:, 30th International Conference on the Theory and Application of Cryptology and Information Security, Springer Nature, 2024, pp. 418–449.
2024 | Published | Conference Paper | IST-REx-ID: 17126 |

Lower bounds for lattice-based compact functional encryption
Tairi, Erkan, Lower bounds for lattice-based compact functional encryption. Advances in Cryptology – EUROCRYPT 2024 14652. 2024
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Tairi, Erkan, Lower bounds for lattice-based compact functional encryption. Advances in Cryptology – EUROCRYPT 2024 14652. 2024
2024 | Published | Conference Paper | IST-REx-ID: 17328 |

Fully automated selfish mining analysis in efficient proof systems blockchains
K. Chatterjee, A. Ebrahimzadeh, M. Karrabi, K.Z. Pietrzak, M.X. Yeo, D. Zikelic, in:, Proceedings of the 43rd Annual ACM Symposium on Principles of Distributed Computing, Association for Computing Machinery, 2024, pp. 268–278.
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K. Chatterjee, A. Ebrahimzadeh, M. Karrabi, K.Z. Pietrzak, M.X. Yeo, D. Zikelic, in:, Proceedings of the 43rd Annual ACM Symposium on Principles of Distributed Computing, Association for Computing Machinery, 2024, pp. 268–278.
2024 | Published | Journal Article | IST-REx-ID: 14820 |

Weighted packet selection for rechargeable links in cryptocurrency networks: Complexity and approximation
S. Schmid, J. Svoboda, M.X. Yeo, Theoretical Computer Science 989 (2024).
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S. Schmid, J. Svoboda, M.X. Yeo, Theoretical Computer Science 989 (2024).
2024 | Published | Conference Paper | IST-REx-ID: 18086
DeCAF: Decentralizable CGKA with fast healing
J.F. Alwen, B. Auerbach, M. Cueto Noval, K. Klein, G. Pascual Perez, K.Z. Pietrzak, in:, C. Galdi, D.H. Phan (Eds.), Security and Cryptography for Networks: 14th International Conference, Springer Nature, Cham, 2024, pp. 294–313.
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J.F. Alwen, B. Auerbach, M. Cueto Noval, K. Klein, G. Pascual Perez, K.Z. Pietrzak, in:, C. Galdi, D.H. Phan (Eds.), Security and Cryptography for Networks: 14th International Conference, Springer Nature, Cham, 2024, pp. 294–313.
2024 | Published | Journal Article | IST-REx-ID: 18961 |

Deniability in automated contact tracing: Impossibilities and possibilities
C.U. Günther, K.Z. Pietrzak, Proceedings on Privacy Enhancing Technologies 2024 (2024) 636–648.
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C.U. Günther, K.Z. Pietrzak, Proceedings on Privacy Enhancing Technologies 2024 (2024) 636–648.
2024 | Published | Conference Paper | IST-REx-ID: 17051 |

Trapdoor memory-hard functions
Auerbach, Benedikt, Trapdoor memory-hard functions. 43rd Annual International Conference on the Theory and Applications of Cryptographic Techniques 14653. 2024
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Auerbach, Benedikt, Trapdoor memory-hard functions. 43rd Annual International Conference on the Theory and Applications of Cryptographic Techniques 14653. 2024
2024 | Published | Thesis | IST-REx-ID: 18088 |

On the efficiency and security of secure group messaging
G. Pascual Perez, On the Efficiency and Security of Secure Group Messaging, Institute of Science and Technology Austria, 2024.
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G. Pascual Perez, On the Efficiency and Security of Secure Group Messaging, Institute of Science and Technology Austria, 2024.
2023 | Published | Conference Paper | IST-REx-ID: 13143 |

Certifying giant nonprimes
C. Hoffmann, P. Hubáček, C. Kamath, K.Z. Pietrzak, in:, Public-Key Cryptography - PKC 2023, Springer Nature, 2023, pp. 530–553.
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C. Hoffmann, P. Hubáček, C. Kamath, K.Z. Pietrzak, in:, Public-Key Cryptography - PKC 2023, Springer Nature, 2023, pp. 530–553.
2023 | Published | Conference Paper | IST-REx-ID: 14428 |

Random oracle combiners: Breaking the concatenation barrier for collision-resistance
Y. Dodis, N. Ferguson, E. Goldin, P. Hall, K.Z. Pietrzak, in:, 43rd Annual International Cryptology Conference, Springer Nature, 2023, pp. 514–546.
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Y. Dodis, N. Ferguson, E. Goldin, P. Hall, K.Z. Pietrzak, in:, 43rd Annual International Cryptology Conference, Springer Nature, 2023, pp. 514–546.
2023 | Published | Journal Article | IST-REx-ID: 12164 |

Long-lived counters with polylogarithmic amortized step complexity
M.A. Baig, D. Hendler, A. Milani, C. Travers, Distributed Computing 36 (2023) 29–43.
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M.A. Baig, D. Hendler, A. Milani, C. Travers, Distributed Computing 36 (2023) 29–43.
2023 | Published | Conference Paper | IST-REx-ID: 14691 |

On the cost of post-compromise security in concurrent Continuous Group-Key Agreement
B. Auerbach, M. Cueto Noval, G. Pascual Perez, K.Z. Pietrzak, in:, 21st International Conference on Theory of Cryptography, Springer Nature, 2023, pp. 271–300.
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B. Auerbach, M. Cueto Noval, G. Pascual Perez, K.Z. Pietrzak, in:, 21st International Conference on Theory of Cryptography, Springer Nature, 2023, pp. 271–300.
2023 | Published | Conference Paper | IST-REx-ID: 14692 |

Generic-group lower bounds via reductions between geometric-search problems: With and without preprocessing
B. Auerbach, C. Hoffmann, G. Pascual Perez, in:, 21st International Conference on Theory of Cryptography, Springer Nature, 2023, pp. 301–330.
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B. Auerbach, C. Hoffmann, G. Pascual Perez, in:, 21st International Conference on Theory of Cryptography, Springer Nature, 2023, pp. 301–330.
2023 | Conference Paper | IST-REx-ID: 14693 |

(Verifiable) delay functions from Lucas sequences
C. Hoffmann, P. Hubáček, C. Kamath, T. Krňák, in:, 21st International Conference on Theory of Cryptography, Springer Nature, 2023, pp. 336–362.
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C. Hoffmann, P. Hubáček, C. Kamath, T. Krňák, in:, 21st International Conference on Theory of Cryptography, Springer Nature, 2023, pp. 336–362.
2023 | Published | Conference Paper | IST-REx-ID: 14457 |

Stronger lower bounds for leakage-resilient secret sharing
Hoffmann, Charlotte, Stronger lower bounds for leakage-resilient secret sharing. 8th International Conference on Cryptology and Information Security in Latin America 14168. 2023
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Hoffmann, Charlotte, Stronger lower bounds for leakage-resilient secret sharing. 8th International Conference on Cryptology and Information Security in Latin America 14168. 2023
2023 | Published | Conference Paper | IST-REx-ID: 14736
R2: Boosting liquidity in payment channel networks with online admission control
M. Bastankhah, K. Chatterjee, M.A. Maddah-Ali, S. Schmid, J. Svoboda, M.X. Yeo, in:, 27th International Conference on Financial Cryptography and Data Security, Springer Nature, 2023, pp. 309–325.
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M. Bastankhah, K. Chatterjee, M.A. Maddah-Ali, S. Schmid, J. Svoboda, M.X. Yeo, in:, 27th International Conference on Financial Cryptography and Data Security, Springer Nature, 2023, pp. 309–325.