3 papers
cs.GT2023
Game Theoretic Modelling of a Ransom and Extortion Attack on Ethereum Validators
Alpesh Bhudia, Anna Cartwright, Edward Cartwright +2
Consensus algorithms facilitate agreement on and resolution of blockchain functions, such as smart contracts and transactions. Ethereum uses a Proof-of-Stake (PoS) consensus mechan…
cs.CR2021
RansomClave: Ransomware Key Management using SGX
Alpesh Bhudia, Daniel O'Keeffe, Daniele Sgandurra +1
Modern ransomware often generate and manage cryptographic keys on the victim's machine, giving defenders an opportunity to capture exposed keys and recover encrypted data without p…
cs.CR2021
A DLT-based Smart Contract Architecture for Atomic and Scalable Trading
J. Kalbantner, K. Markantonakis, D. Hurley-Smith +2
Distributed Ledger Technology (DLT) has an enormous potential but also downsides. One downside of many DLT systems, such as blockchain, is their limited transaction throughput that…