Publications

2024

Pre-Print

Zero-Knowledge Location Privacy via Accurate Floating Point SNARKs (PDF)

Authors: Jens Ernstberger, Chengru Zhang, Luca Ciprian, Philipp Jovanovic, Sebastian Steinhorst

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SoK: What don't we know? Understanding Security Vulnerabilities in SNARKs (PDF)

Authors: Stefanos Chaliasos, Jens Ernstberger, David Theodore, David Wong, Mohammad Jahanara, Benjamin Livshits

The Web Conference

Blockchain Censorship (PDF)

Authors: Anton Wahrstätter, Jens Ernstberger, Aviv Yaish, Liyi Zhou, Kaihua Qin, Taro Tsuchiya, Sebastian Steinhorst, Davor Svetinovic, Nicolas Christin, Mikolaj Barczentewicz, Arthur Gervais

CFC St. Moritz Conference Academic Research Track

Do You Need a Zero Knowledge Proof? (PDF)

Authors: Jens Ernstberger, Stefanos Chaliasos, Liyi Zhou, Philipp Jovanovic, Arthur Gervais

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ORIGO: Proving Provenance of Sensitive Data with Constant Communication (PDF)

Authors: Jens Ernstberger, Jan Lauinger, Yinnan Wu, Arthur Gervais, Sebastian Steinhorst

2023

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Janus: Fast Privacy-Preserving Data Provenance For TLS 1.3 (PDF)

Authors: Jan Lauinger, Jens Ernstberger, Andreas Finkenzeller, Sebastian Steinhorst

Financial Cryptography

Mitigating Decentralized Finance Liquidations with Reversible Call Options (PDF)

Authors: Kaihua Qin, Jens Ernstberger, Liyi Zhou, Phillip Jovanovic, Arthur Gervais

IEEE European Symposium on Security and Privacy

SoK: Data Sovereignty (PDF)

Authors: Jens Ernstberger, Jan Lauinger, Fatima Elsheimy, Liyi Zhou, Sebastian Steinhorst, Ran Canetti, Andrew Miller, Arthur Gervais, Dawn Song

IEEE Symposium on Security and Privacy

SoK: Decentralized Finance (DeFi) Attacks (PDF)

Authors: Liyi Zhou, Xihan Xiong, Jens Ernstberger, Stefanos Chaliasos, Zhipeng Wang, Ye Wang, Kaihua Qin, Roger Wattenhofer, Dawn Song, Arthur Gervais

Pre-Print

zk-Bench: A Toolset for Comparative Evaluation and Performance Benchmarking of SNARKs (PDF)

Authors: Jens Ernstberger, Stefanos Chaliasos, George Kadianakis, Sebastian Steinhorst, Philipp Jovanovic, Arthur Gervais, Benjamin Livshits, Michele Orrù

2021

IEEE International Conference on Blockchain and Cryptocurrency

A-poa: Anonymous proof of authorization for decentralized identity management (PDF)

Authors: Jan Lauinger, Jens Ernstberger, Emanuel Regnath, Mohammad Hamad, Sebastian Steinhorst