Daniel Tschudi

Daniel Tschudi

Senior researcher at Concordium

Publications

Manuscripts

  1. Bernardo David, Bernardo Magri, Christian Matt, Jesper Buus Nielsen, Daniel Tschudi
    GearBox: An Efficient UC Sharded Ledger Leveraging the Safety-Liveness Dichotomy
    IACR Cryptol. ePrint Arch., 2021 :211, 2021.
    PDF Abstract
  2. Simon Holmgaard Kamp, Bernardo Magri, Christian Matt, Jesper Buus Nielsen, Søren Eller Thomsen, Daniel Tschudi
    Leveraging Weight Functions for Optimistic Responsiveness in Blockchains
    IACR Cryptol. ePrint Arch., 2020 :328, 2020.
    PDF Abstract
  3. Sri Aravinda Krishnan Thyagarajan, Adithya Bhat, Bernardo Magri, Daniel Tschudi, Aniket Kate
    Reparo: Publicly Verifiable Layer to Repair Blockchains
    CoRR, abs/2001.00486 2020.
    PDF Abstract

Peer-Reviewed Publications

  1. Thomas Dinsdale-Young, Bernardo Magri, Christian Matt, Jesper Buus Nielsen, Daniel Tschudi
    Afgjort - A Semi-Synchronous Finality Layer for Blockchains
    Security and Cryptography for Networks. SCN 2020, 12238 :24–44, 2020.
    DOI PDF Abstract
  2. Rio LaVigne, Chen-Da Liu Zhang, Ueli Maurer, Tal Moran, Marta Mularczyk, Daniel Tschudi
    Topology-Hiding Computation for Networks with Unknown Delays
    In: Public-Key Cryptography - PKC 2020 - 23rd IACR International Conference on Practice and Theory of Public-Key Cryptography, Edinburgh, UK, May 4-7, 2020, Proceedings, Part II, pp. 215–245, Springer, 2020.
    DOI PDF Abstract
  3. Chen-Da Liu Zhang, Julian Loss, Ueli Maurer, Tal Moran, Daniel Tschudi
    Robust MPC: Asynchronous Responsiveness yet Synchronous Security
    Advances in Cryptology – ASIACRYPT 2020, 12493 :92–119, 2020.
    DOI PDF Abstract
  4. Chaya Ganesh, Claudio Orlandi, Daniel Tschudi
    Proof-of-Stake Protocols for Privacy-Aware Blockchains
    In: Advances in Cryptology - EUROCRYPT 2019 - 38th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Darmstadt, Germany, May 19-23, 2019, Proceedings, Part I, pp. 690–719, Springer, 2019.
    DOI PDF Abstract
  5. Daniel Tschudi
    Selected Topics in Multi-Party Computation
    PhD thesis, ETH Zurich, February 2018.
    Abstract
  6. Rio Lavigne, Chen-Da Liu-Zhang, Ueli Maurer, Tal Moran, Marta Mularczyk, Daniel Tschudi
    Topology-Hiding Computation Beyond Semi-Honest Adversaries
    In: Theory of Cryptography - 16th International Conference, TCC 2018, Panaji, India, November 11-14, 2018, Proceedings, Part II, pp. 3–35, Springer, 2018.
    DOI PDF Abstract
  7. Julian Loss, Ueli Maurer, Daniel Tschudi
    Strong Separations Between Broadcast and Authenticated Channels
    In: 32nd International Symposium on Distributed Computing, DISC 2018, New Orleans, LA, USA, October 15-19, 2018, pp. 36:1–36:17, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2018.
    DOI PDF Abstract
  8. Christian Badertscher, Juan Garay, Ueli Maurer, Daniel Tschudi, Vassilis Zikas
    But Why does it Work? A Rational Protocol Design Treatment of Bitcoin
    In: Advances in Cryptology - EUROCRYPT 2018 - 37th Annual International Conference on the Theory and Applications of Cryptographic Techniques, Tel Aviv, Israel, April 29 - May 3, 2018 Proceedings, Part II, pp. 34–65 2018.
    DOI PDF Abstract
  9. Christian Badertscher, Ueli Maurer, Daniel Tschudi, Vassilis Zikas
    Bitcoin as a Transaction Ledger: A Composable Treatment
    In: Advances in Cryptology - CRYPTO 2017 - 37th Annual International Cryptology Conference, Santa Barbara, CA, USA, August 20-24, 2017, Proceedings, Part I, pp. 324–356, Springer, 2017.
    DOI PDF Abstract
  10. Chen-Da Liu Zhang, Ueli Maurer, Martin Raszyk, Daniel Tschudi
    Witness-hiding proofs of knowledge for cable locks
    In: 2017 IEEE International Symposium on Information Theory, ISIT 2017, Aachen, Germany, June 25-30, 2017, pp. 953–957, IEEE, 2017.
    DOI PDF Abstract
  11. Martin Hirt, Ueli Maurer, Daniel Tschudi, Vassilis Zikas
    Network-Hiding Communication and Applications to Multi-party Protocols
    In: Advances in Cryptology - CRYPTO 2016 - 36th Annual International Cryptology Conference, Santa Barbara, CA, USA, August 14-18, 2016, Proceedings, Part II, pp. 335–365, Springer, 2016.
    DOI PDF Abstract
  12. Julian Loss, Ueli Maurer, Daniel Tschudi
    Hierarchy of three-party consistency specifications
    In: IEEE International Symposium on Information Theory, ISIT 2016, Barcelona, Spain, July 10-15, 2016, pp. 3048–3052, IEEE, 2016.
    DOI PDF Abstract
  13. Martin Hirt, Daniel Tschudi
    Efficient General-Adversary Multi-Party Computation
    In: Advances in Cryptology - ASIACRYPT 2013 - 19th International Conference on the Theory and Application of Cryptology and Information Security, Bengaluru, India, December 1-5, 2013, Proceedings, Part II, pp. 181–200, Springer, 2013.
    DOI PDF Abstract