7 citations · 13 across the 3 of their papers we have counts for
3 papers
cs.CR2025
Bitcoin Battle: Burning Bitcoin for Geopolitical Fun and Profit
Kris Oosthoek, Kelvin Lubbertsen, Georgios Smaragdakis
This study empirically analyzes the transaction activity of Bitcoin addresses linked to Russian intelligence services, which have liquidated over 7 Bitcoin (BTC), i.e., equivalent…
cs.CR2022★ 7 cited
A Tale of Two Markets: Investigating the Ransomware Payments Economy
Kris Oosthoek, Jack Cable, Georgios Smaragdakis
Ransomware attacks are among the most severe cyber threats. They have made headlines in recent years by threatening the operation of governments, critical infrastructure, and corpo…
cs.CR2021★ 6 cited
Flash Crash for Cash: Cyber Threats in Decentralized Finance
Kris Oosthoek
Decentralized Finance (DeFi) took shape in 2020. An unprecedented amount of over 14 billion USD moved into DeFi projects offering trading, loans and insurance. But its growth has a…