15 citations · 16 across the 9 of their papers we have counts for
13 papers
A Tattered Cloak of Invisibility: Measuring Anonymity Loss in Railgun on Ethereum
Kanan Huseynov, Ali Shahzaib, István András Seres +1
From a user's perspective, perhaps the most significant difference between traditional banking services and widely used blockchain-based financial systems is that, in the latter, t…
Proof of Source of Funds: Efficient On-chain Provenance of Cryptoassets
Alireza Kavousi, István András Seres, Zhipeng Wang
Regulatory compliance is increasingly mandatory for decentralized finance and privacy-enhancing technologies. Current approaches rely on binary inclusion/exclusion lists or retroac…
Bribers, Bribers on The Chain, Is Resisting All in Vain? Trustless Consensus Manipulation Through Bribing Contracts
Bence Soóki-Tóth, István András Seres, Kamilla Kara +3
The long-term success of cryptocurrencies largely depends on the incentive compatibility provided to the validators. Bribery attacks, facilitated trustlessly via smart contracts, t…
The Spatiotemporal Scaling Laws of Bitcoin Transactions
Lajos Kelemen, István András Seres, Ágnes Backhausz
This study, to the best of our knowledge for the first time, delves into the spatiotemporal dynamics of Bitcoin transactions, shedding light on the scaling laws governing its geogr…
Anonymity Analysis of the Umbra Stealth Address Scheme on Ethereum
Alex Kovács, István András Seres
Stealth addresses are a privacy-enhancing technology that provides recipient anonymity on blockchains. In this work, we investigate the recipient anonymity and unlinkability guaran…
ethp2psim: Evaluating and deploying privacy-enhanced peer-to-peer routing protocols for the Ethereum network
Ferenc Béres, István András Seres, Domokos M. Kelen +1
Network-level privacy is the Achilles heel of financial privacy in cryptocurrencies. Financial privacy amounts to achieving and maintaining blockchain- and network-level privacy. B…
Towards Measuring the Traceability of Cryptocurrencies
Domokos Miklós Kelen, István András Seres
Cryptocurrencies aim to replicate physical cash in the digital realm while removing centralized and trusted intermediaries. Decentralization is achieved by the blockchain, a perman…
Tutela: An Open-Source Tool for Assessing User-Privacy on Ethereum and Tornado Cash
Mike Wu, Will McTighe, Kaili Wang +9
A common misconception among blockchain users is that pseudonymity guarantees privacy. The reality is almost the opposite. Every transaction one makes is recorded on a public ledge…
The Effect of False Positives: Why Fuzzy Message Detection Leads to Fuzzy Privacy Guarantees?
István András Seres, Balázs Pejó, Péter Burcsi
Fuzzy Message Detection (FMD) is a recent cryptographic primitive invented by Beck et al. (CCS'21) where an untrusted server performs coarse message filtering for its clients in a…
Blockchain is Watching You: Profiling and Deanonymizing Ethereum Users
Ferenc Béres, István András Seres, András A. Benczúr +1
Ethereum is the largest public blockchain by usage. It applies an account-based model, which is inferior to Bitcoin's unspent transaction output model from a privacy perspective. D…
On Blockchain Metatransactions
István András Seres
In cryptocurrencies, transaction fees are typically exclusively paid in the native platform currency. This restriction causes a wide range of challenges, such as deteriorated user…
A Cryptoeconomic Traffic Analysis of Bitcoin's Lightning Network
Ferenc Beres, Istvan Andras Seres, Andras A. Benczur
Lightning Network (LN) is designed to amend the scalability and privacy issues of Bitcoin. It's a payment channel network where Bitcoin transactions are issued off chain, onion rou…
Topological Analysis of Bitcoin's Lightning Network
István András Seres, László Gulyás, Dániel A. Nagy +1
Bitcoin's Lightning Network (LN) is a scalability solution for Bitcoin allowing transactions to be issued with negligible fees and settled instantly at scale. In order to use LN, f…