2022W

• Bachelor Thesis / 192.061 / PR
• Cryptocurrencies / 192.065 / VU
• Introduction to Logical Methods in Computer Science / 184.766 / VO
• Orientation Bachelor with Honors of Informatics and Business Informatics / 180.767 / SE
• Project in Computer Science 1 / 192.075 / PR
• Project in Computer Science 2 / 192.076 / PR
• Research Seminar LogiCS / 184.767 / SE
• Seminar for PhD Students / 192.060 / SE

2023S

• Introduction to Logical Methods in Computer Science / 184.766 / VO
• Research Seminar LogiCS / 184.767 / SE

• Distributed Ledger Development and Implementation
  2022 – 2023 / ABC Research GmbH
• Blockchain Technologies for the Internet of Things
  2020 – 2025 / Christian Doppler Research Association (CDG)
• Security and Privacy Foundations of Blockchain Technologies
  2020 – 2023 / SBA Research gemeinnützige GmbH
• Vienna Cybersecurity and Privacy Research Center
  2019 – 2023 / Vienna Business Agency (WAW)
• Cryptographic Foundations for Future-proof Internet Security
  2019 – 2023 / Austrian Science Fund (FWF)
• Foundations and Tools for Client-Side Web Security
  2018 – 2024 / European Research Council (ERC)
• Privacy-Preserving Regulatory Technologies for Distributed Ledger Technologies
  2018 – 2021 / Austrian Research Promotion Agency (FFG)
• Scalability for Lightning Networks
  2018 – 2020 / Chaincode Labs Inc
• Ethertrust - Trustworthy smart contracts
  2018 – 2019 / netidee.at

Note: Due to the rollout of TU Wien’s new publication database, the list below may be slightly outdated. Once APIs for the new database have been released, everything will be up to date again.

2021

• Generalized Channels from Limited Blockchain Scripts and Adaptor Signatures / L. Aumayr, O. Ersoy, A. Erwig, S. Faust, K. Hostáková, M. Maffei, P. Moreno-Sanchez, S. Riahi / Talk: Asiacrypt 2021, the 27th Annual International Conference on the Theory and Application of Cryptology and Information Security, Singapore; 2021-12-06 - 2021-12-10; in: "Advances in Cryptology - ASIACRYPT 2021", Springer, (2021), ISBN: 978-3-030-92074-6; 635 - 664
• Blitz: Secure Multi-Hop Payments Without Two-Phase Commits / L. Aumayr, P. Moreno-Sanchez, A. Kate, M. Maffei / Talk: Usenix Security Symposium, Vancouver, B.C., Canada; 2021-08-11 - 2021-08-13; in: "30th USENIX Security Symposium", USENIX: The Advanced Computing Systems Association, (2021), ISBN: 978-1-939133-24-3; 4043 - 4060
• Can I Take Your Subdomain? Exploring Same-Site Attacks in the Modern Web / M. Squarcina, M. Tempesta, L. Veronese, S. Calzavara, M. Maffei / Talk: 30th USENIX Security Symposium, Online; 2021-08-11 - 2021-08-13; in: "30th USENIX Security Symposium", 30th USENIX Security Symposium, USENIX Security 2021, August 11-13, 2021, (2021), 2917 - 2934
• The Remote on the Local: Exacerbating Web Attacks Via Service Workers Caches / M. Squarcina, S. Calzavara, M. Maffei / Talk: 15th IEEE Workshop on Offensive Technologies, San Francisco, CA, USA; 2021-05-27; in: "IEEE Security and Privacy Workshops", (2021), 432 - 443
• Bitcoin-Compatible Virtual Channels / L. Aumayr, O. Ersoy, A. Erwig, S. Faust, K. Hostáková, M. Maffei, P. Moreno-Sanchez, S. Riahi / Talk: IEEE Symposium on Security and Privacy, Oakland, USA; 2021-05-23 - 2021-05-27; in: "42nd IEEE Symposium on Security and Privacy", IEEE Computer Society, (2021), 901 - 918
• A2L: Anonymous Atomic Locks for Scalability in Payment Channel Hubs / E. Tairi, P. Moreno-Sanchez, M. Maffei / Talk: IEEE Symposium on Security and Privacy, Oakland, USA; 2021-05-23 - 2021-05-27; in: "42nd IEEE Symposium on Security and Privacy", (2021)
• Post-Quantum Adaptor Signature for Privacy-Preserving Off-Chain Payments / E. Tairi, P. Moreno-Sanchez, M. Maffei / Talk: International Conference on Financial Cryptography and Data Security (FC), Grenada; 2021-03-01 - 2021-03-05; in: "Proceedings of the 25th International Conference on Financial Cryptography and Data Security", (2021)
• Cross-Layer Deanonymization Methods in the Lightning Protocol / M. Romiti, F. Victor, P. Moreno-Sanchez, P. Nordholt, B. Haslhofer, M. Maffei / in: "Financial Cryptography and Data Security", LNCS, volume 12674; issued by: Springer Verlag; Springer LNCS, Berlin Heidelberg, 2021, ISBN: 978-3-662-64321-1, 187 - 204

2020

• eThor: Practical and Provably Sound Static Analysis of Ethereum Smart Contracts / C. Schneidewind, I. Grishchenko, M. Scherer, M. Maffei / Talk: ACM Conference on Computer and Communications Security (CCS), Orlando; 2020-11-09 - 2020-11-13; in: "CCS '20: Proceedings of the 2020 ACM SIGSAC Conference on Computer and Communications Security", Association for Computing Machinery ACM, (2020), ISBN: 978-1-4503-7089-9; 621 - 640
• A Quantitative Analysis of Security, Anonymity and Scalability for the Lightning Network / S. Tikhomirov, P. Moreno-Sanchez, M. Maffei / Talk: IEEE Security & Privacy On The Blockchain, Genova; 2020-11-07 - 2020-11-11; in: "2020 IEEE European Symposium on Security and Privacy Workshops (EuroS&PW)", IEEE, (2020), ISBN: 978-1-7281-8598-9; 387 - 396
• The Good, the Bad and the Ugly: Pitfalls and Best Practices in Automated Sound Static Analysis of Ethereum Smart Contracts / C. Schneidewind, M. Scherer, M. Maffei / Talk: International Symposium on Leveraging Applications of Formal Methods (ISoLA), Rhodes; 2020-10-20 - 2020-10-30; in: "International Symposium On Leveraging Applications of Formal Methods, Verification and Validation", Springer, 7609 (2020), ISBN: 978-3-642-34025-3; 1 - 20
• The Remote on the Local: Exacerbating Web Attacks Via Service Workers Caches in Progressive Web Applications / D. Somé, M. Squarcina, S. Calzavara, M. Maffei / Talk: EuroS&P 2020 SecWeb Workshop, Genova, IT; 2020-09-11
• Language-Based Web Session Integrity / S. Calzavara, R. Focardi, N. Grimm, M. Maffei, M. Tempesta / Talk: IEEE Computer Security Foundations Symposium, New York; 2020-06-22 - 2020-06-25; in: "33rd IEEE Computer Security Foundations Symposium", IEEE Computer Society, Washington DC (2020), ISBN: 978-1-5386-3217-8; 107 - 122
• Generalized Bitcoin-Compatible Channels / L. Aumayr, O. Ersoy, A. Erwig, S. Faust, K. Hostáková, M. Maffei, P. Moreno-Sanchez, S. Riahi / Report for Cryptology ePrint Archive; Report No. 2020/476, 2020; 35 pages

2019

• Atomic Multi-Channel Updates with Constant Collateral in Bitcoin-Compatible Payment-Channel Networks / C. Egger, M. Maffei, P. Moreno-Sanchez / Talk: ACM Conference on Computer and Communications Security (CCS), London; 2019-11-11 - 2019-11-15; in: "ACM Conference on Computer and Communications Security", ACM (ed.); ACM, (2019), ISBN: 978-1-4503-6747-9; 801 - 815
• Verifying Relational Properties using Trace Logic / G. Barthe, R. Eilers, P. Georgiou, B. Gleiss, L. Kovacs, M. Maffei / Talk: International Conference on Formal Methods in Computer Aided Design (FMCAD) 2019, San Jose, US; 2019-10-22 - 2019-10-25; in: "Proceedings of Formal Methods in Computer Aided Design (FMCAD)", B. Clark, J. Yang (ed.); IEEE, https://ieeexplore.ieee.org/xpl/conhome/8891869/proceeding (2019), ISBN: 978-0-9835678-9-9; 170 - 178
• Trace Reasoning for Formal Verification using the First-Order Superposition Calculus / P. Georgiou, B. Gleiss, L. Kovacs, M. Maffei / Poster: FMCAD 2019 Student Forum, San Jose, US; 2019-10-22 - 2019-10-25
• Anonymous Multi-Hop Locks for Blockchain Scalability and Interoperability / G. Malavolta, P. Moreno-Sanchez, C. Schneidewind, A. Kate, M. Maffei / Talk: ACM Advances in Financial Technologies AFT 2019, Zurich, Switzerland (invited); 2019-10-21 - 2019-10-23
• Atomic Multi-Channel Updates with Constant Collateralin Bitcoin-Compatible Payment-Channel Networks / C. Egger, P. Moreno-Sanchez, M. Maffei / Talk: Scaling Bitcoin, Israel, Tel Aviv (invited); 2019-09-11 - 2019-09-12; in: "Proceedings of the 2019 ACM SIGSAC Conference on Computer and Communications Security", New York (2019), ISBN: 978-1-4503-6747-9; 801 - 815
• Anonymous Multi-Hop Locks for Blockchain Scalability and Interoperability / G. Malavolta, P. Moreno-Sanchez, C. Schneidewind, A. Kate, M. Maffei / Talk: Network and Distributed System Security Symposium (NDSS), San Diego, CA, US; 2019-02-24 - 2019-02-27; in: "Proceedings of 2019 Network and Distributed System Security Symposium", Reston (2019), ISBN: 1-891562-55-x; 1 - 15
• Group ORAM for Privacy and AccessControl in Outsourced Personal Records / M. Maffei, G. Malavolta, M. Reinert, D. Schröder / Journal of Computer Security, vol. 27 (2019), no. 1; 1 - 47

2018

• Functional Credentials / D. Deuber, M. Maffei, G. Malavolta, M. Rabkin, D. Schröder, M. Simkin / in: "Proceedings on Privacy Enhancing Technologies", Volume 2018: Issue 2; issued by: De Gruyter Open; Walter de Gruyter GmbH, Berlin, 2018, 64 - 84
• Simple Password Hardened Encryption Services / M. Maffei, M. Reinert, R. Lai, C. Egger, S. Chow, D. Schröder / in: "Proceedings of the 27th USENIX Security Symposium", 27th; issued by: USENIX Association Berkley, CA, USA; USENIX, 2018, ISBN: 978-1-931971-46-1, 1405 - 1421
• Subset Predicate Encryption and its Applications / J. Katz, M. Maffei, G. Malavolta, D. Schröder / in: "Cryptology and Network Security", LNCS 11261; Springer International Publishing, Cham, Switzerland, 2018, ISBN: 978-3-030-02640-0, 115 - 134
• A Monadic Framework for Relational Verification: Applied to Information Security, Program Equivalence, and Optimization. / N. Grimm, K. Maillard, C. Fournet, C. Hritcu, M. Maffei, J. Protzenko, T. Ramananandro, N. Swamy, S. Zanella-Béguelin / in: "Proceedings of the 7th ACM SIGPLAN International Conference on Certified Programs and Proofs", ACM Digital Library, New York, 2018, ISBN: 978-1-4503-5586-5, 130 - 145
• Foundations and Tools for the Static Analysis of Ethereum Smart Contracts / I. Gishchenko, M. Maffei, C. Schneidewind / in: "Proceedings of the 30th International Conference on Computer-Aided Verification", LNCS 10981; G. Weissenbacher, H. Chockler (ed.); issued by: Springer, Cham; Springer Open, 2018, ISBN: 978-3-319-96145-3, 51 - 78
• UniTraX: Protecting Data Privacy with Discoverable Biases / M. Maffei, R. Munz, F. Eigner, P. Francis, D. Garg / in: "Principles of Security and Trust", LNCS 10804; Springer, Lecture Notes in Computer Science, Schwitzerland, 2018, ISBN: 978-3-319-89721-9, 278 - 299
• Equivalence Properties by Typing in Cryptographic Branching Protocols / V. Cortier, N. Grimm, J. Lallemand, M. Maffei / in: "Principles of Security and Trust", LNCS 10804; issued by: Springer, Cham; Springer LNCS, Schwitzerland, 2018, ISBN: 978-3-319-89721-9, 160 - 187
• A Semantic Framework for the Security Analysis of Ethereum smart contracts. / I. Grishchenko, C. Schneidewind, M. Maffei / in: "Principles of Security and Trust", LNCS 10804; issued by: Springer Link; Springer Open, Schwitzerland, 2018, ISBN: 978-3-319-89721-9, 243 - 269
• WPSE: Fortifying Web Protocols via Browser-Side Security Monitoring / S. Calzavara, M. Maffei, C. Schneidewind, M. Tempesta, M. Squarcina / in: "Proceedings of the 27th USENIX Security Symposium", 27th; issued by: USENIX Association Berkley, CA, USA; USENIX, 2018, ISBN: 978-1-931971-46-1, 1493 - 1510

2017

• A Type System for Privacy Properties / M. Maffei, J. Lallemand, V. Cortier, N. Grimm / Talk: ACM CCS 2017 Conference on Computer and Communications Security, Dallas, USA; 2017-10-30 - 2017-11-03; in: "CCS '17 Proceedings of the 2017 ACM SIGSAC Conference on Computer and Communications Security", ACM Digital Library, New York (2017), ISBN: 978-1-4503-4946-8; 409 - 423
• A Sound Flow-Sensitive Heap Abstraction for the Static Analysis of Android Applications / M. Maffei, S. Calzavara, I. Grishchenko, A. Koutsos / Talk: IEEE Computer Security Foundations Symposium, Santa Barbara, USA; 2017-08-21 - 2017-08-25; in: "IEEE 30th Computer Security Foundations Symposium CSF 2017", IEEE Xplore Digital Library, (2017), ISBN: 978-1-5386-3217-8; Paper ID 3, 15 pages
• Principles of Security and Trust / M. Maffei, M. Ryan, P. Ah-Fat, M. Alabbad, M. Alvim, Z. Aslanyan, N. Atzei, K. Babel, M. Bartoletti, L. Bauer, A. Blot, S. Bursuc, P. Cañones, G. Casini, V. Cheval, T. Cimoli, M. Cramer, J. Dreier, C. Duménil, D. Hedin, M. Hicks, M. Huth, L. Jia, C. Johansen, O. Jones, R. Khedri, B. Köpf, S. Kremer, P. Laud, P. Mardziel, F. Nielson, M. Pettai, F. Piessens, W. Rafnsson, J. Reineke, A. Sabelfeld, R. Sasse, T. Terauchi, S. Xu, M. Yamamoto, A. Sjösten / Springer-Verlag, Berlin, Heidelberg, 2017, ISBN: 978-3-662-54454-9; 321 pages
• On the Security of Frequency-Hiding Order-Preserving Encryption / M. Reinert, D. Schröder, M. Maffei / in: "Cryptology and Network Security", Lecture Notes in Computer Science, vol 11261; Springer International Publishing, Cham, Switzerland, 2017, ISBN: 978-3-030-02640-0, 51 - 70
• Maliciously Secure Multi-Client ORAM / G. Malavolta, M. Reinert, D. Schröder, M. Maffei / in: "Applied Cryptography and Network Security", LNCS 10355; D. Gollmann, A. Miyaji, H. Kikuchi (ed.); © Springer International Publishing AG 2017, Cham, 2017, ISBN: 978-3-319-61203-4, 645 - 664
• SilentWhispers: Enforcing Security and Privacy in Decentralized Credit Networks / M. Maffei, P. Moreno-Sanchez, A. Kate, G. Malavolta / in: "2017 Network and Distributed System Security Symposium", Internet Society, Reston, Virginia, USA, 2017, ISBN: 1-891562-46-0, 1 - 15
• Concurrency and Privacy with Payment-Channel Networks / M. Maffei, A. Kate, G. Malavolta, P. Moreno-Sanchez, S. Ravi / in: "CCS '17 Proceedings of the 2017 ACM SIGSAC Conference on Computer and Communications Security", ACM Digital Library, New York, 2017, ISBN: 978-1-4503-4946-8, 455 - 471

Note: Due to the rollout of TU Wien’s new publication database, the list below may be slightly outdated. Once APIs for the new database have been released, everything will be up to date again.

• Analysis of Decentralized Mixing Services in the Greater Bitcoin Ecosystem / Master Thesis by J. Stockinger / Supervisor: M. Maffei, B. Haslhofer; Institut of Logic and Computation, Security and Privacy, 2021; final examination: 2021-10-07
• Privacy Preserving Authenticated Key Exchange - Modelling, Constructions, Proofs and Verification using Tamarin / Master Thesis by A Weninger / Supervisor: M. Maffei, D. Slamanig; Institut of Logic and Computation, Security and Privacy, 2021; final examination: 2021-08-27
• Adaptor Signature Based Atomic Swaps Between Bitcoin and a Mimblewimble Based Cryptocurrency / Master Thesis by J. Abfalter / Supervisor: M. Maffei, P. Moreno-Sanchez; Institut of Logic and Computation, Security and Privacy, 2021; final examination: 2021-07-01
• Foundations for the Security Analysis of Distributed Blockchain Applications / Doctoral Thesis by C. Schneidewind / Supervisor, Reviewer: M. Maffei, A. Gervais, B. Scholz; Institut of Logic and Computation, Security and Privacy, 2021; oral examination: 2021-05-28
• Static and Dynamic Enforcement of Security via Relational Reasoning / Doctoral Thesis by N. Grimm / Supervisor, Reviewer: M. Maffei, F. Piessens, G. Barthe; Institut of Logic and Computation, Security and Privacy, 2021; oral examination: 2021-03-15
• Static Analysis of Low-Level Code / Doctoral Thesis by I. Grishchenko / Supervisor, Reviewer: M. Maffei, G. Weissenbacher, A. Sabelfeld, K. Bhargavan; Institut of Logic and Computation, Security and Privacy, 2021; oral examination: 2021-01-25
• Payment Channel Network Analysis with Focus on Lightning Network / Master Thesis by P. Holzer / Supervisor: M. Maffei, B. Haslhofer; Institut of Logic and Computation, Security and Privacy, 2020; final examination: 2020-05-29
• Static Amalysis of eWASM Contracts / Master Thesis by A. Schwarz / Supervisor: C. Schneidewind, M. Maffei; Institut of Logic and Computation, Security and Privacy, 2020; final examination: 2020-01-15
• Theoretical and Practical Smart Contracts Realization of an Investment Fund / Master Thesis by J. Schneider / Supervisor: M. Maffei, C. Schneidewind, I. Grishchenko; Institut of Logic and Computation, Security and Privacy, 2018; final examination: 2018-08-31