Paul Gerhart

I am a PhD student at the Privacy Enhancing Technologies research unit at TU Wien in Austria, under the supervision of Dominique Schröder.

Research

I am fascinated by problems that are hard to solve and seem intractable at first glance. Achieving fairness in two-party protocols, or preserving an individual's privacy while allowing statistical and metric computations over an entire dataset are examples of such challenges. While many of these problems may seem paradoxical, I am driven to solve them using the power and elegance of cryptography. In working on such problems, my work bridges both theoretical and practical aspects. My research interests include advanced digital signatures such as adaptor signatures, secure and fair multiparty computation (including distributed key generation and threshold signatures), differential privacy, and password-based cryptography.

Education

I am pursuing my PhD under the supervision of Dominique Schröder since 2022. Initially, I began my doctoral studies at Friedrich-Alexander-University Erlangen-Nürnberg, Germany, and subsequently followed Dominique to TU Wien, Austria, in 2024. Prior to my PhD, I earned a Master of Science (M.Sc.) in Computer Science from Friedrich-Alexander-University Erlangen-Nürnberg between 2020 and 2022. Earlier, I did my Bachelor of Science (B.Sc.) in Mathematics at the University of Bonn, Germany, from 2017 to 2020.

Recent Publications

SoK: Descriptive Statistics Under Local Differential Privacy
René Raab, Pascal Berrang, Paul Gerhart, Dominique Schröder
PoPETS 2025

Measuring Conditional Anonymity - A Global Study
Pascal Berrang, Paul Gerhart, Dominique Schröder
PoPETS 2024

Foundations of Adaptor Signatures
Paul Gerhart, Dominique Schröder, Pratik Soni, Sri AravindaKrishnan Thyagarajan
EUROCRYPT 2024

Practical Schnorr Threshold Signatures without the Algebraic Group Model
Hien Chu, Paul Gerhart, Tim Ruffing, Dominique Schröder
CRYPTO 2023