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  • 2022

    Babel Fees via Limited Liabilities

    Chakravarty, M. M. T., Karayannidis, N., Kiayias, A., Peyton Jones, M. & Vinogradova, P., 18 Jun 2022, Applied Cryptography and Network Security: 20th International Conference, ACNS 2022, Rome, Italy, June 20–23, 2022, Proceedings. Ateniese, G. & Venturi, D. (eds.). Springer, Cham, p. 707-726 20 p. (Lecture Notes in Computer Science; vol. 13269).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Minotaur: Multi-Resource Blockchain Consensus

    Fitzi, M., Wang, X., Kannan, S., Kiayias, A., Leonardos, N., Viswanath, P. & Wang, G., 23 Apr 2022, (Accepted/In press) Proceedings of the 2022 ACM Conference on Computer and Communications Security. 17 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • 2021

    Mining for Privacy: How to Bootstrap a Snarky Blockchain

    Kerber, T., Kiayias, A. & Kohlweiss, M., 23 Oct 2021, Financial Cryptography and Data Security: 25th International Conference, FC 2021, Virtual Event, March 1–5, 2021, Revised Selected Papers, Part I. Borisov, N. & Diaz, C. (eds.). Berlin, Heidelberg: Springer Berlin Heidelberg, p. 497-514 18 p. (Lecture Notes in Computer Science; vol. 12674).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Coalition-Safe Equilibria with Virtual Payoffs

    Kiayias, A. & Stouka, A-P., 26 Sep 2021, Proceedings of the 3rd ACM Conference on Advances in Financial Technologies (AFT 2021). ACM, p. 71-85 15 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • The Velvet Path to Superlight Blockchain Clients

    Kiayias, A., Polydouri, A. & Zindros, D., 26 Sep 2021, Proceedings of the 3rd ACM Conference on Advances in Financial Technologies (AFT 2021). ACM, p. 205-218 14 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Composition with Knowledge Assumptions

    Kerber, T., Kiayias, A. & Kohlweiss, M., 11 Aug 2021, Advances in Cryptology – CRYPTO 2021. Malkin, T. & Peikert, C. (eds.). Springer, Cham, p. 364-393 30 p. (Lecture Notes in Computer Science; vol. 12828).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Consistency for Functional Encryption

    Badertscher, C., Kiayias, A., Kohlweiss, M. & Waldner, H., 10 Aug 2021, 2021 IEEE 34th Computer Security Foundations Symposium (CSF). IEEE, p. 1-16 47 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Kachina - Foundations of Private Smart Contracts

    Kerber, T., Kiayias, A. & Kohlweiss, M., 10 Aug 2021, 2021 IEEE 34th Computer Security Foundations Symposium (CSF). IEEE, p. 1-16 16 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Dynamic Ad Hoc Clock Synchronization

    Badertscher, C., Gaži, P., Kiayias, A., Russell, A. & Zikas, V., 16 Jun 2021, Advances in Cryptology – EUROCRYPT 2021. Springer, p. 399-428 29 p. (Lecture Notes in Computer Science; vol. 12698).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Consistency of Proof-of-Stake Blockchains with Concurrent Honest Slot Leaders

    Kiayias, A., Quader, S. & Russell, A., 23 Feb 2021, 2020 40th IEEE International Conference on Distributed Computing Systems (ICDCS). Institute of Electrical and Electronics Engineers (IEEE), p. 776 - 786 11 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • 2020

    Crowd Verifiable Zero-Knowledge and End-to-end Verifiable Multiparty Computation

    Baldimtsi, F., Kiayias, A., Zacharias, T. & Zhang, B., 5 Dec 2020, Advances in Cryptology – ASIACRYPT 2020. Moriai, S. & Wang, H. (eds.). Springer, p. 717-748 32 p. (Lecture Notes in Computer Science; vol. 12493).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Updatable Blockchains

    Ciampi, M., Karayannidis, N., Kiayias, A. & Zindros, D., 13 Sep 2020, Computer Security - ESORICS 2020. Chen, L., Li, N., Liang, K. & Schneider, S. A. (eds.). Springer-Verlag, p. 590-609 20 p. (Lecture Notes in Computer Science; vol. 12309).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Account Management in Proof of Stake Ledgers

    Karakostas, D., Kiayias, A. & Larangeira, M., 7 Sep 2020, Security and Cryptography for Networks: 12th International Conference, SCN 2020, Amalfi, Italy, September 14–16, 2020, Proceedings. Galdi, C. & Kolesnikov, V. (eds.). Springer-Verlag, p. 3-23 21 p. (Lecture Notes in Computer Science; vol. 12238).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Timed Signatures and Zero-Knowledge Proofs: Timestamping in the Blockchain Era

    Abadi, A., Ciampi, M., Kiayias, A. & Zikas, V., 27 Aug 2020, Applied Cryptography and Network Security (ACNS 2020): 18th International Conference, ACNS 2020, Rome, Italy, October 19–22, 2020, Proceedings, Part I. Springer, p. 335 - 354 20 p. (Lecture Notes in Computer Science; vol. 12146).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • A Composable Security Treatment of the Lightning Network

    Kiayias, A. & Thyfronitis Litos, O. S., 4 Aug 2020, 2020 IEEE 33rd Computer Security Foundations Symposium (CSF). Institute of Electrical and Electronics Engineers (IEEE), p. 334-349 16 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Proof-of-Burn

    Karantias, K., Kiayias, A. & Zindros, D., 18 Jul 2020, Financial Cryptography and Data Security : 24th International Conference, FC 2020, Kota Kinabalu, Malaysia, February 10-14, 2020 Revised Selected Papers. Bonneau, J. & Heninger, N. (eds.). Springer-Verlag, p. 523-540 18 p. (Lecture Notes in Computer Science; vol. 12059).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • One-shot signatures and applications to hybrid quantum/classical authentication

    Amos, R., Georgiou, M., Kiayias, A. & Zhandry, M., 8 Jun 2020, Proceedings of the 52nd Annual ACM SIGACT Symposium on Theory of Computing (STOC 2020). Makarychev, K., Makarychev, Y., Tulsiani, M., Kamath, G. & Chuzhoy, J. (eds.). ACM, p. 255-268 14 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • Resource-Restricted Cryptography: Revisiting MPC Bounds in the Proof-of-Work Era

    Garay, J., Kiayias, A., Ostrovsky, R. M., Panagiotakos, G. & Zikas, V., 1 May 2020, Advances in Cryptology — EUROCRYPT 2020. Cham: Springer, (Lecture Notes in Computer Science; vol. 12106).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • Consensus from signatures of work

    Garay, J. A., Kiayias, A. & Panagiotakos, G., 14 Feb 2020, Topics in Cryptology – CT-RSA 2020: The Cryptographers’ Track at the RSA Conference 2020, San Francisco, CA, USA, February 24–28, 2020, Proceedings. Jarecki, S. (ed.). Cham: Springer, p. 319-344 26 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 12006 ).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • SoK: A consensus taxonomy in the blockchain era

    Garay, J. & Kiayias, A., 14 Feb 2020, Topics in Cryptology – CT-RSA 2020. Jarecki, S. (ed.). Cham: Springer, p. 284-318 35 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 12006).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • The Combinatorics of the Longest-Chain Rule: Linear Consistency for Proof-of-Stake Blockchains

    Blum, E., Kiayias, A., Moore, C., Quader, S. & Russell, A., 8 Jan 2020, Proceedings of the 2020 ACM-SIAM Symposium on Discrete Algorithms. p. 1135-1154 20 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • 2019

    A Puff of Steem: Security Analysis of Decentralized Content Curation

    Kiayias, A., Livshits, B., Mosteiro, A. M. & Litos, O. S. T., 31 Dec 2019, International Conference on Blockchain Economics, Security and Protocols (Tokenomics 2019). Danos, V., Herlihy, M., Potop-Butucaru, M., Prat, J. & Tucci-Piergiovanni, S. (eds.). Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik, Germany, p. 3:1-3:21 35 p. 3. (OpenAccess Series in Informatics (OASIcs); vol. 71).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Cryptocurrency Egalitarianism: A Quantitative Approach

    Karakostas, D., Kiayias, A., Nasikas, C. & Zindros, D., 31 Dec 2019, International Conference on Blockchain Economics, Security and Protocols (Tokenomics 2019). Danos, V., Herlihy, M., Potop-Butucaru, M., Prat, J. & Tucci-Piergiovanni, S. (eds.). Schloss Dagstuhl - Leibniz-Zentrum fuer Informatik, Germany, p. 7:1-7:21 21 p. 7. (OpenAccess Series in Informatics (OASIcs); vol. 71).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • A Formal Treatment of Hardware Wallets

    Arapinis, M., Gkaniatsou, A., Karakostas, D. & Kiayias, A., 30 Sep 2019, Financial Cryptography and Data Security : 23rd International Conference, FC 2019. Springer, Cham, p. 426-445 20 p. (Lecture Notes in Computer Science (LNCS); vol. 11598).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Ouroboros Crypsinous: Privacy-Preserving Proof-of-Stake

    Kerber, T., Kiayias, A., Kohlweiss, M. & Zikas, V., 16 Sep 2019, 2019 IEEE Symposium on Security and Privacy (SP). Institute of Electrical and Electronics Engineers (IEEE), p. 157-174 18 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Proof-of-Stake Sidechains

    Gazi, P., Kiayias, A. & Zindros, D., 16 Sep 2019, 2019 IEEE Symposium on Security and Privacy (SP). Institute of Electrical and Electronics Engineers (IEEE), p. 139-156 18 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • On Trees, Chains and Fast Transactions in the Blockchain

    Kiayias, A. & Panagiotakos, G., 8 Sep 2019, Progress in Cryptology – LATINCRYPT 2017: 5th International Conference on Cryptology and Information Security in Latin America, Havana, Cuba, September 20–22, 2017, Revised Selected Papers. Lange, T. & Dunkelman, O. (eds.). 1st ed. 2019 edition ed. Springer International Publishing, Vol. 11368. 25 p. (Lecture Notes in Computer Science (LNCS); vol. 11368).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • 2018

    Towards a Smart Contract-Based, Decentralized, Public-Key Infrastructure

    Patsonakis, C., Samari, K., Roussopoulos, M. & Kiayias, A., 10 Nov 2018, CANS 2017: Cryptology and Network Security. Capkun, S. & Chow, S. S. M. (eds.). Cham: Springer International Publishing AG, p. 299-321 23 p. (Lecture Notes in Computer Science; vol. 11261).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • Stake-Bleeding Attacks on Proof-of-Stake Blockchains

    Gaži, P., Kiayias, A. & Russell, A., 8 Nov 2018, (E-pub ahead of print) 2018 Crypto Valley Conference on Blockchain Technology (CVCBT). Institute of Electrical and Electronics Engineers (IEEE), p. 85-92 8 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • A Universally Composable Framework for the Privacy of Email Ecosystems

    Chaidos, P., Fourtounelli, O., Kiayias, A. & Zacharias, T., 26 Oct 2018, Advances in Cryptology – ASIACRYPT 2018: 24th International Conference on the Theory and Application of Cryptology and Information Security, Brisbane, QLD, Australia, December 2–6, 2018, Proceedings, Part III. Brisbane, Australia: Springer, Cham, p. 191-221 31 p. (Lecture Notes in Computer Science; vol. 11274)(Security and Cryptology; vol. 11274).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Ouroboros Genesis: Composable Proof-of-Stake Blockchains with Dynamic Availability

    Badertscher, C., Gazi, P., Kiayias, A., Russell, A. & Zikas, V., 15 Oct 2018, Proceedings of the 2018 ACM SIGSAC Conference on Computer and Communications Security. New York, NY, USA: ACM, p. 913-930 18 p. (CCS '18).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Secure Outsourcing of Cryptographic Circuits Manufacturing

    Ateniese, G., Kiayias, A., Magri, B., Tselekounis, I. & Venturi, D., 7 Oct 2018, The 12th International Conference on Provable Security 25-28 October, 2018, Jeju, Rep. of Korea. Jeju, Rep. of Korea: Springer, Cham, p. 75-93 18 p. (Lecture Notes in Computer Science; vol. 11192)(Security and Cryptology; vol. 11192).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • On the Security Properties of e-Voting Bulletin Boards

    Kiayias, A., Kuldmaa, A., Lipmaa, H., Siim, J. & Zacharias, T., 3 Aug 2018, 11th Conference on Security and Cryptography for Networks (SCN 2018). Amalfi, Italy: Springer, Cham, p. 505-523 19 p. ( Lecture Notes in Computer Science; vol. 11035).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Ouroboros Praos: An Adaptively-Secure, Semi-synchronous Proof-of-Stake Blockchain

    David, B., Gazi, P., Kiayias, A. & Russell, A., 31 Mar 2018, Advances in Cryptology - EUROCRYPT 2018. Springer, p. 66-98 33 p. (Lecture Notes in Computer Science (LNCS); vol. 10821).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Bootstrapping the Blockchain, with Applications to Consensus and Fast PKI Setup

    Garay, J. A., Kiayias, A., Leonardos, N. & Panagiotakos, G., 1 Mar 2018, Public-Key Cryptography -- PKC 2018. Abdalla, M. & Dahab, R. (eds.). Rio de Janeiro, Brazil: Springer International Publishing AG, p. 465-495 31 p. (Lecture Notes in Computer Science; vol. 10770).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Non-Malleable Codes for Partial Functions with Manipulation Detection

    Kiayias, A., Liu, F-H. & Tselekounis, I., 2018, 38th International Cryptology Conference (CRYPTO 2018). Santa Barbara, CA, USA: Springer, Cham, p. 577-607 31 p. (Lecture Notes in Computer Science (LNCS); vol. 10993).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • 2017

    Low-Level Attacks in Bitcoin Wallets

    Gkaniatsou, A., Arapinis, M. & Kiayias, A., 20 Oct 2017, Information Security : 20th International Conference, ISC 2017, Ho Chi Minh City, Vietnam, November 22-24, 2017, Proceedings. Springer, Cham, p. 233-253 21 p. (Lecture Notes in Computer Science (LNCS); vol. 10599).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • MCMix: Anonymous Messaging via Secure Multiparty Computation

    Alexopoulos, N., Kiayias, A., Talviste, R. & Zacharias, T., 18 Aug 2017, Proceedings of the 26th USENIX Security Symposium. USENIX Association, p. 1217-1234 18 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Ouroboros: A Provably Secure Proof-of-Stake Blockchain Protocol

    Kiayias, A., Russell, A., David, B. & Oliynykov, R., 29 Jul 2017, Advances in Cryptology -- CRYPTO 2017. Katz, J. & Shacham, H. (eds.). Cham: Springer, Cham, p. 357-388 32 p. (Lecture Notes in Computer Science; vol. 10401).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • The Bitcoin Backbone Protocol with Chains of Variable Difficulty

    Garay, J. A., Kiayias, A. & Leonardos, N., 29 Jul 2017, Advances in Cryptology – CRYPTO 2017. CRYPTO 2017. Katz, J. & H, S. (eds.). Springer, Cham, p. 291-323 33 p. (Lecture Notes in Computer Science; vol. 10401).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • TOPPSS: Cost-Minimal Password-Protected Secret Sharing Based on Threshold OPRF

    Jarecki, S., Kiayias, A., Krawczyk, H. & Xu, J., 26 Jun 2017, Applied Cryptography and Network Security: 15th International Conference, ACNS 2017, Kanazawa, Japan, July 10-12, 2017, Proceedings. Gollmann, D., Miyaji, A. & Kikuchi, H. (eds.). Cham: Springer, Cham, p. 39-58 20 p. (Lecture Notes in Computer Science; vol. 10355).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • Ceremonies for End-to-End Verifiable Elections

    Kiayias, A., Zacharias, T. & Zhang, B., 26 Feb 2017, IACR International Workshop on Public Key Cryptography: PKC 2017: Public-Key Cryptography – PKC 2017. Springer Berlin Heidelberg, p. 305-334 30 p. (Lecture Notes in Computer Science; vol. 10175).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Watermarking Public-Key Cryptographic Functionalities and Implementations

    Baldimtsi, F., Kiayias, A. & Samari, K., 2017, 20th Information Security Conference. Springer, Cham, p. 173-191 18 p. (Lecture Notes in Computer Science (LNCS); vol. 10599).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • 2016

    Securely outsourcing cookies to the cloud via private information retrieval

    Nazaryan, L., Jin, R., Yue, C., Oksuz, O., Wang, B., Suh, K. & Kiayias, A., 5 Dec 2016, 2016 IEEE 12th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob). Institute of Electrical and Electronics Engineers (IEEE), p. 1-8 8 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • Indistinguishable Proofs of Work or Knowledge

    Baldimtsi, F., Kiayias, A., Zacharias, T. & Zhang, B., 9 Nov 2016, Advances in Cryptology: ASIACRYPT 2016: 22nd International Conference on the Theory and Application of Cryptology and Information Security, Hanoi, Vietnam, December 4-8, 2016, Proceedings, Part II. Cheon, J. H. & Takagi, T. (eds.). Berlin, Heidelberg: Springer Berlin Heidelberg, p. 902-933 32 p. (Lecture Notes in Computer Science; vol. 10032).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Practical Non-Malleable Codes from L-more Extractable Hash Functions

    Kiayias, A., Liu, F-H. & Tselekounis, Y., 24 Oct 2016, Proceedings of the 2016 ACM SIGSAC Conference on Computer and Communications Security. New York, NY, USA: ACM, p. 1317-1328 12 p. (CCS '16).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • SFADiff: Automated Evasion Attacks and Fingerprinting Using Black-box Differential Automata Learning

    Argyros, G., Stais, I., Jana, S., Keromytis, A. D. & Kiayias, A., 24 Oct 2016, Proceedings of the 2016 ACM SIGSAC Conference on Computer and Communications Security. New York, NY, USA: ACM, p. 1690-1701 12 p. (CCS '16).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Encrypting wireless network traces to protect user privacy: A case study for smart campus

    Zhang, L., Oksuz, O., Nazaryan, L., Yue, C., Wang, B., Kiayias, A. & Bamis, A., 1 Oct 2016, 2016 IEEE 12th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob). Institute of Electrical and Electronics Engineers (IEEE), p. 1-8 8 p.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • Efficient Encrypted Keyword Search for Multi-user Data Sharing

    Kiayias, A., Oksuz, O., Russell, A., Tang, Q. & Wang, B., 15 Sep 2016, (E-pub ahead of print) Computer Security -- ESORICS 2016: 21st European Symposium on Research in Computer Security, Heraklion, Greece, September 26-30, 2016, Proceedings, Part I. Askoxylakis, I., Ioannidis, S., Katsikas, S. & Meadows, C. (eds.). Cham: Springer International Publishing, p. 173-195 23 p. (Lecture Notes in Computer Science (LNCS); vol. 9878).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access
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  • Proofs of Proofs of Work with Sublinear Complexity

    Kiayias, A., Lamprou, N. & Stouka, A., 31 Aug 2016, Financial Cryptography and Data Security: FC 2016 International Workshops, BITCOIN, VOTING, and WAHC, Christ Church, Barbados, February 26, 2016, Revised Selected Papers. Clark, J., Meiklejohn, S., Ryan, P. Y. A., Wallach, D., Brenner, M. & Rohloff, K. (eds.). Berlin, Heidelberg: Springer Berlin Heidelberg, p. 61-78 18 p. (Lecture Notes in Computer Science (LNCS); vol. 9604).

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Open Access