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cs.GT2025
Pool Formation in Oceanic Games: Shapley Value and Proportional Sharing
Aggelos Kiayias, Elias Koutsoupias, Evangelos Markakis +1
We study a game-theoretic model for pool formation in Proof of Stake blockchain protocols. In such systems, stakeholders can form pools as a means of obtaining regular rewards from…
cs.GT2024
An impossibility result for strongly group-strategyproof multi-winner approval-based voting
Ioannis Caragiannis, Rob LeGrand, Evangelos Markakis +1
Multi-winner approval-based voting has received considerable attention recently. A voting rule in this setting takes as input ballots in which each agent approves a subset of the a…
cs.GT2023
Blockchain Participation Games
Pyrros Chaidos, Aggelos Kiayias, Evangelos Markakis
We study game-theoretic models for capturing participation in blockchain systems. Permissionless blockchains can be naturally viewed as games, where a set of potentially interested…