CT-RSA 2025 · San Francisco, USA
How (not) to hash into class groups of imaginary quadratic fields?
Presentations
Talks
Selected invited and contributed talks. The homepage highlights four talks I am particularly proud of.
Featured
EthCC[8] · Cannes, France · June 30, 2025 · Video
poqeth: Efficient, post-quantum signature verification on Ethereum
Zero Knowledge & Cryptography track.
Stanford Security Seminar · Stanford, CA · May 5, 2025
Manipulating and Fixing the RANDAO, Ethereum's Distributed Randomness Beacon Protocol
Invited security seminar.
Protocol Berg v2 · Video
Forking the RANDAO: Manipulating Ethereum’s Distributed Randomness Beacon
Protocol Berg v2.
ETHIstanbul 2025 · Video
Trustless Consensus Manipulation Through Bribing Contracts
ETHIstanbul 2025.
More talks
IEEE ICBC 2025 · Pisa, Italy
Towards Measuring the Traceability of Cryptocurrencies
IMDEA Departmental Seminar · Madrid, Spain · 2021
The Cambrian Explosion of Private Message Detection Schemes
Financial Cryptography 2022 · St. George's, Grenada
The Effect of False Positives: Why Fuzzy Message Detection Leads to Fuzzy Privacy Guarantees?
CESC 2019 · Berkeley, USA
ShareLock: Financial Privacy-enhancing NOW!
EthCC 2019 · Paris, France
MixEth: Efficient, Trustless Coin Mixing Service for Ethereum
Breaking Bitcoin 2019 · Amsterdam, Netherlands
Topological Analysis of Bitcoin's Lightning Network