3 papers
cs.CR2024
Bribe & Fork: Cheap Bribing Attacks via Forking Threat
Zeta Avarikioti, Paweł Kędzior, Tomasz Lizurej +1
In this work, we reexamine the vulnerability of Payment Channel Networks (PCNs) to bribing attacks, where an adversary incentivizes blockchain miners to deliberately ignore a speci…
cs.GT2023
Lightning Creation Games
Zeta Avarikioti, Tomasz Lizurej, Tomasz Michalak +1
Payment channel networks (PCNs) are a promising solution to the scalability problem of cryptocurrencies. Any two users connected by a payment channel in the network can theoretical…
cs.SI2023
On Manipulating Weight Predictions in Signed Weighted Networks
Tomasz Lizurej, Tomasz Michalak, Stefan Dziembowski
Adversarial social network analysis studies how graphs can be rewired or otherwise manipulated to evade social network analysis tools. While there is ample literature on manipulati…