Publications

Liquidations: DeFi on a Knife-edge [paper]

Daniel Perez, Sam M. Werner, Jiahua Xu, Benjamin Livshits
to appear at Financial Cryptography and Data Security 2021 (FC'21).

DeFi Protocols for Loanable Funds: Interest Rates, Liquidity and Market Efficiency [paper]

Lewis Gudgeon, Sam M. Werner, Daniel Perez, William J. Knottenbelt
in proceedings of the 2nd ACM Conference on Advances in Financial Technologies (AFT 2020).

Step on the Gas? A Better Approach for Recommending the Ethereum Gas Price [arXiv]

Sam M. Werner, Paul J. Pritz, Daniel Perez
in proceedings of the 2nd International Conference on Mathematical Research for Blockchain Economy (MARBLE 2020).

PoolSim: A Discrete-Event Mining Pool Simulation Framework [paper]

Sam M. Werner, Daniel Perez
in proceedings of the 1st International Conference on Mathematical Research for Blockchain Economy (MARBLE 2019).

Uncle Traps: Harvesting Rewards in a Queue-based Ethereum Mining Pool [paper]

Sam M. Werner, Paul J. Pritz, Alexei Zamyatin, William J. Knottenbelt
in proceedings of the 12th EAI International Conference on Performance Evaluation Methodologies and Tools (VALUETOOLS'19). Received Best Presentation Award.

Committing to quantum resistance: a slow defence for Bitcoin against a fast quantum computing attack [paper]

Iain Stewart, Dragos Ilie, Alexei Zamyatin, Sam M. Werner, Mariam Torshizi, William J. Knottenbelt
Royal Society Open Science, 2018.

Swimming with fishes and sharks: Beneath the surface of queue-based ethereum mining pools [paper]

Alexei Zamyatin, Katinka Wolter, Sam M. Werner, Peter Harrison, Catherine Mulligan, William J. Knottenbelt
in proceedings of IEEE 25th International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS'17).

Pre-prints

SoK: Decentralized Finance (DeFi) [paper]

Sam M. Werner, Daniel Perez, Lewis Gudgeon, Ariah Klages-Mundt, Dominik Harz, William J. Knottenbelt
Pre-print, 2021.

Unstable Throughput: When the Difficulty Algorithm Breaks [arXiv]

Sam M. Werner, Dragos I. Ilie, Iain Stewart, William J. Knottenbelt
Pre-print, 2020.

Talks

Presentation of Step on the Gas? A Better Approach for Recommending the Ethereum Gas Price at MARBLE'20, online, 2020.

Talk on The Difficulty of Mining Cryptocurrency at the Institute of Mathematics and its Applications (IMA), London, United Kingdom, February 2020.

Presentation of PoolSim: A Discrete-Event Mining Pool Simulation Framework at MARBLE'19, Santorini, Greece, June 2019.

Presentation of Uncle Traps: Harvesting Rewards in a Queue-based Ethereum Mining Pool at VALUETOOLS'19, Palma de Mallorca, Spain, March 2019.