2021W

• Bachelor Thesis / 192.061 / PR
• Cryptocurrencies / 192.065 / VU
• 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 Master Students in Logic and Computation / 180.773 / SE
• Seminar for PhD Students / 192.069 / SE

2022S

• Bachelor Thesis / 192.061 / PR
• Crypto Asset Analytics / 192.080 / VU
• Formal Methods for Security and Privacy / 192.059 / VU
• Introduction to Security / 184.783 / VU
• 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

• Distributed Ledger Development and Implementation
  2022 – 2023 / ABC Research GmbH
• Blockchain Technologies for the Internet of Things
  2020 – 2022 / Christian Doppler Research Association (CDG)
• Security and Privacy Foundations of Blockchain Technologies
  2020 – 2022 / 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

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

• 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