| Speaker : | Yackolley Amoussou-Guenou |
| Sorbonne Université | |
| Date: | 30/10/2019 |
| Time: | 2:00 pm - 3:00 pm |
| Location: | Paris-Rennes Room (EIT Digital) |
Abstract
In this presentation, we will analyse from the game theoretical point of view Byzantine Fault Tolerant (BFT) blockchains when processes exhibit rational or Byzantine behaviour. Our work models committee/consensus-based blockchains, such as as a committee coordination game.
We provide a game-theoretical methodology to analyse equilibrium interactions between Byzantine and rational committee members in BFT blockchains.
Byzantine players seek to inflict maximum damage to the system, while rational players best-respond to maximise their expected net gains.
We then derive conditions under which consensus properties are satisfied or not in equilibrium.
Bio
Yackolley Amoussou-Guenou is a PhD student in LIP6, the computer science lab of Sorbonne Université, and in CEA List.
He received his master degree from Université Paris-Diderot and his undergraduate degree from Université Paris-Est Créteil.
His research focuses on distributed systems and blockchains, and in particular on the application of game theory on blockchains.