3 papers
cs.GT2025
One-dimensional vs. Multi-dimensional Pricing in Blockchain Protocols
Aggelos Kiayias, Elias Koutsoupias, Giorgos Panagiotakos +1
Blockchain transactions consume diverse resources, foremost among them storage, but also computation, communication, and others. Efficiently charging for these resources is crucial…
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
Balancing Participation and Decentralization in Proof-of-Stake Cryptocurrencies
Aggelos Kiayias, Elias Koutsoupias, Francisco Marmolejo-Cossio +1
Proof-of-stake blockchain protocols have emerged as a compelling paradigm for organizing distributed ledger systems. In proof-of-stake (PoS), a subset of stakeholders participate i…