Curriculum Vitae

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Education

09/2024 - present	Doctoral Student in Cryptography, TU Wien Threshold Signatures, PoPRFs, Authentication Protocols Advisor: Dominique Schröder
08/2022 - 08/2024	Doctoral Student in Cryptography, Friedrich-Alexander University Erlangen-Nürnberg Adaptor Signatures, Threshold Signatures Advisor: Dominique Schröder
10/2020 - 07/2022	Master of Science in Computer Science, Friedrich-Alexander University Erlangen-Nürnberg Cryptography, Privacy, Cyber Security, and IT-Forensics Advisor: Dominique Schröder
10/2017 - 09/2020	Bachelor of Science in Mathematics, University of Bonn Algebraic Topology Advisor: Wolfgang Lück

Work

09/2024 - present	University Research Assistant, TU Wien Privacy Enhancing Technologies
12/2022 - present	Consultant and Software Developer, Freelance Cryptography, Privacy, IT-Forensics
08/2022 - 08/2024	University Research Assistant, Friedrich-Alexander University Erlangen-Nürnberg Applied Cryptography
10/2017 - 07/2022	Student Employee, Richard Wenzel GmbH & Co.KG Software Development

Research Visits

06/2026 - 08/2026	Research Internship, Prof. Emma Dauterman Stanford University, Stanford, CA
08/2025 - 10/2025	Research Internship, Prof. Thomas Ristenpart Cornell Tech, New York, NY
08/2024	Research Visit, Prof. Anna Lysyanskaya Brown University, Providence, RI
08/2023 - 11/2023	Research Internship, Prof. Jonathan Katz University of Maryland, College Park, MD

Honors & Awards

2025	Google PhD Fellowship for Privacy, Safety, and Security Google Research

Advised Students

2025	Jay Taylor (Bachelor Thesis) Delegated Fair Exchange via Threshold Wallets
2024	Fabian Jost (Master Thesis) Foundations of Blind Conditional Signatures
2023	Daniel Lang (Bachelor Thesis) Strong Unlinkability for Adaptor Signatures
2023	Ruben Baecker (Master Thesis) Phoenix Rise Once Again: How to Defeat the (PW-)Hero
2023	Julian Thomas (Master Thesis) Signature Security Revisited: One Dice to Rule Them All

Teaching Activities

Winter 25/26	Privacy Enhancing Technologies (B.Sc.) Teaching assistant
Summer 25	Advanced Privacy Enhancing Technologies (M.Sc.) Teaching assistant
Winter 24/25	Privacy Enhancing Technologies (B.Sc.) Teaching assistant
Winter 23/24	Introduction to Modern Cryptography Teaching assistant
Winter 22/23	Introduction to Modern Cryptography Teaching assistant

Community Service

Program Committees

USENIX Security	2027
European Symposium on Research in Computer Security (ESORICS)	2026
SECRYPT	2025, 2026
Crypto Valley Conference (CVC)	2025

External Reviews (Selected)

Advances in Cryptology (CRYPTO)	2023–2026
Advances in Cryptology (EUROCRYPT)	2023, 2024
Advances in Cryptology (ASIACRYPT)	2022
ACM Conference on Computer and Communications Security (CCS)	2024–2026
Public Key Cryptography (PKC)	2023–2025
European Symposium on Research in Computer Security (ESORICS)	2022–2026
IEEE Computer Security Foundations Symposium (CSF)	2023
Financial Cryptography and Data Security (FC)	2024

Publications

2026	Fully Adaptive FROST with Identifiable Aborts from AOMDL Ruben Baecker, Paul Gerhart, Davide Li Calsi, Luigi Russo, Dominique Schröder, and Arkady Yerukhimovich ASIACRYPT 2026
	Fair Distributed Exchange via Threshold Adaptor Signatures Ruben Baecker, Paul Gerhart, Jonathan Katz, and Dominique Schröder ASIACRYPT 2026
	Universally Composable Adaptor Signatures Paul Gerhart, Daniel Rausch, and Dominique Schröder ACM CCS 2026
	Fully-Adaptive Two-Round Threshold Schnorr Signatures from DDH Paul Gerhart, Davide Li Calsi, Luigi Russo, and Dominique Schröder EUROCRYPT 2026
	How To Make Delegated Payments on Bitcoin: A Question for the AI Agentic Future Jay Taylor, Paul Gerhart, Sri Aravinda Krishnan Thyagarajan FC 2026
2025	Password-Hardened Encryption Revisited Ruben Baecker, Paul Gerhart, and Dominique Schröder ASIACRYPT 2025
	Universally Composable Password-Hardened Encryption Behzad Abdolmaleki, Ruben Baecker, Paul Gerhart, Mike Graf, Mojtaba Khalili, Daniel Rausch, and Dominique Schröder ASIACRYPT 2025
	A Fully-Adaptive Threshold Partially-Oblivious PRF Ruben Baecker, Paul Gerhart, Daniel Rausch, and Dominique Schröder CRYPTO 2025
	SoK: Descriptive Statistics Under Local Differential Privacy René Raab, Pascal Berrang, Paul Gerhart, and Dominique Schröder PoPETS 2025
2024	Measuring Conditional Anonymity - A Global Study Pascal Berrang, Paul Gerhart, and Dominique Schröder PoPETS 2024
	Foundations of Adaptor Signatures Paul Gerhart, Dominique Schröder, Pratik Soni, and Sri Aravinda Krishnan Thyagarajan EUROCRYPT 2024
2023	Practical Schnorr Threshold Signatures without the Algebraic Group Model Hien Chu, Paul Gerhart, Tim Ruffing, and Dominique Schröder CRYPTO 2023
2022	A General Approach to Adaptor Signatures advised by Dominique Schröder, Sri Aravinda Krishnan Thyagarajan, and Pratik Soni Master Thesis
2020	Surgery and a Theorem of Lickorish advised by Wolfgang Lück and Christoph Winges Bachelor Thesis

Talks

2026	Fully Adaptive FROST with Identifiable Aborts from AOMDL NIST Threshold Call Preview Talks (TCPT2) 2026 Virtual
	Trace: Complete Client-Side Account Access Logging Stanford Security Seminar 2026 Stanford, CA
	Fully-Adaptive Two-Round Threshold Schnorr Signatures from DDH EUROCRYPT 2026 Rome, Italy
	Improving Account Security for Victims of Account Compromise through Client-Side Access Logging RWC 2026 Taipei, Taiwan
	Theory and Applications of Adaptor Signatures Yale University 2026 New Haven, CT
2025	Adaptor Signatures TL;DR Chaincode Labs 2025 New York City, NY
2024	Foundations of Adaptor Signatures Brown Crypto Day 2024 Providence, RI
	Measuring Conditional Anonymity - A Global Study PETS 2024 Bristol, UK
	Foundations of Adaptor Signatures CIBE 2024 Bertinoro, IT
	Foundations of Adaptor Signatures EUROCRYPT 2024 Zürich, CH
	Foundations of Adaptor Signatures Seminar Talk 2024 Qiang Tang, University of Sydney, AU
2023	Practical Schnorr Threshold Signatures without the Algebraic Group Model CRYPTO 2023 Santa Barbara, CA
	How to Avoid Unfair Exchange: Adaptor Security Revisited IEEE S&P 2023 San Francisco, CA