17 citations · 89 across the 27 of their papers we have counts for
4 papers · 1 filter
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…
Decentralized Reliability Estimation for Low Latency Mixnets
Claudia Diaz, Harry Halpin, Aggelos Kiayias
Mix networks (mixnets) enable anonymous packet-based communication via multi-hop routing. Measuring the reliability of mix nodes serving as intermediate hops in a way that is decen…
Single-token vs Two-token Blockchain Tokenomics
Aggelos Kiayias, Philip Lazos, Paolo Penna
We study long-term equilibria that arise in the token monetary policy, or tokenomics, design of proof-of-stake (PoS) blockchain systems that engage utility maximizing users and val…
Blockchain Bribing Attacks and the Efficacy of Counterincentives
Dimitris Karakostas, Aggelos Kiayias, Thomas Zacharias
We analyze bribing attacks in Proof-of-Stake distributed ledgers from a game theoretic perspective. In bribing attacks, an adversary offers participants a reward in exchange for in…