Program/Poster/General chair


Chair of IEEE International Conference on Blockchain


Co-Chair of IEEE TEMS on Blockchain and Distributed Ledger Technologies.


General Chair of IACR Theory of Cryptography Conference (TCC).


Poster Session Chair of ACM Conference on Computer and Communications Security (CCS)

Program Committees

I served on over 40 program committees, the following overview is only a selection. I also serve as an external reviewer for almost all leading venues every year, but I do not list these conferences explicitly.

2019, 2023

ACM Conference on Computer and Communications Security

2016, 2019, 2020, 2023

Advances in Cryptology (CRYPTO)

2015, 2023

Advances in Cryptology (EUROCRYPT)

2020 - 2024

IEEE Computer Security Foundations Symposium


Advances in Cryptology (ASIACRYPT)

2021, 2022

Privacy Enhancing Technologies Symposium (PETS)

2021 - 2023

European Symposium on Research in Computer Security (ESORICS)

2016 - 2019, 2021 - 2023

Conference on Cryptology and Network Security (CANS)

2020, 2021

IEEE Security and Privacy (Oakland)


Advances in Cryptology (INDOCRYPT)


IEEE European Symposium on Security and Privacy (EuroSP)

2017, 2018

Asia Conference on Computer and Comm. Security (ASIACCS)

2018, 2022

Conference on Security and Cryptography for Networks (SCN)


Conference on Applied Cryptography and Network Security


International Conference on Provable Security (PROVSEC)


ACM Conference on Pervasive and Ubiquitous Computing (UbiComp)

Reviewer for Grants

European Research Council (ERC)

Deutsche Forschungsgemeinschaft (DFG)

Deutscher Akademischer Austauschdienst (DAAD)

Studienstiftung des Deutschen Volkes

Schloss Dagstuhl

Österreichische Forschungsföderungsgesellschaft (FFG)

Natural Sciences and Engineering Research Council of Canada (NSERC)