István is an applied cryptographer specialized in the security and privacy aspects of modern blockchains. He finished his Ph.D. at Eötvös Loránd University in 2023 under the supervision of Péter Burcsi. He is passionate about cryptographic problems motivated by real-world applications. Recently, he got interested in helping the secure and efficient post-quantum transitioning of cryptocurrencies such as Bitcoin or Ethereum.

Publications:

1) poqeth: Efficient, post-quantum signature verification on Ethereum

2) How (not) to hash into class groups of imaginary quadratic fields?

3) Forking the RANDAO: Manipulating Ethereum's Distributed Randomness Beacon

4) Bribers, Bribers on The Chain, Is Resisting All in Vain? Trustless Consensus Manipulation Through Bribing Contracts