Cryptography · Security · Privacy

Research at the intersection of cryptography and cryptocurrencies.

I am a postdoctoral researcher at Princeton University, supervised by Prof. Matt Weinberg. My research focuses on the security and privacy of cryptocurrencies. I especially enjoy practically motivated problems that lead to new cryptographic ideas.

I completed my PhD in Computer Science at Eötvös Loránd University (ELTE) in 2023. Before Princeton, I was a researcher at ELTE and completed research internships at IMDEA Software Institute and a16z crypto.

Research interests

Applied cryptographyBlockchain securityPrivacyZero knowledgePost-quantum cryptographyCryptoeconomics

Selected & recent work

2026 · Preprint
Private Delegation of (Non-)Membership Proof Updates in Cryptographic Accumulators
Bence Soóki-Tóth, Botond Glasz, Alireza Kavousi, István András Seres
2026 · Preprint
A Tattered Cloak of Invisibility: Measuring Anonymity Loss in Railgun on Ethereum
Kanan Huseynov, Ali Shahzaib, István András Seres, János Tapolcai
ACM CCS 2025 · Distinguished Paper Award
Forking the RANDAO: Manipulating Ethereum’s Distributed Randomness Beacon
Ábel Nagy, János Tapolcai, István András Seres, Bence Ladóczki
ACM AsiaCCS 2025
poqeth: Efficient, post-quantum signature verification on Ethereum
Ruslan Kysil, István András Seres, Péter Kutas, Nándor Kelecsényi

All publications →

Featured talks

Students

I have advised B.Sc. and M.Sc. theses at ELTE on cryptography, blockchain security, privacy, and related topics.

Advising & students →