In 2016, Koutsoupias worked with
Aggelos Kiayias, Maria Kyropoulou and Yiannis Tselekounis, on the paper “Blockchain Mining Games”. He contributed aspects of game theory for stake pools in the
Ouroboros consensus protocol. This was used in the
Cardano blockchain, and Koutsoupias became a senior research fellow at IOHK, the blockchain engineering company developing Cardano.[8][9][10]
Selected publications
Koutsoupias, Elias; Papadimitriou, Christos (1999), "Worst-case equilibria", Proceedings of the Annual Symposium on Theoretical Aspects of Computer Science, Trier, Germany: Springer, pp. 404–413,
ISBN3-540-65691-X
^Aggelos Kiayias, Elias Koutsoupias, Maria Kyropoulou and Yiannis Tselekounis (2016) “Blockchain Mining Games”, in EC '16: Proceedings of the 2016 ACM Conference on Economics and Computation, July 2016, pages 365–382.
https://dl.acm.org/doi/10.1145/2940716.2940773
^Lars Brünjes; Aggelos Kiayias; Elias Koutsoupias; Aikaterini-Panagiota Stouka (2020) “Reward Sharing Schemes for Stake Pools”, 2020 IEEE European Symposium on Security and Privacy (EuroS&P).
https://ieeexplore.ieee.org/abstract/document/9230398