75 citations · 108 across the 7 of their papers we have counts for
7 papers
State-Machine Replication Scalability Made Simple (Extended Version)
Chrysoula Stathakopoulou, Matej Pavlovic, Marko Vukolić
Consensus, state-machine replication (SMR) and total order broadcast (TOB) protocols are notorious for being poorly scalable with the number of participating nodes. Despite the rec…
BMS: Secure Decentralized Reconfiguration for Blockchain and BFT Systems
Selma Steinhoff, Chrysoula Stathakopoulou, Matej Pavlovic +1
Reconfiguration of long-lived blockchain and Byzantine fault-tolerant (BFT) systems poses fundamental security challenges. In case of state-of-the-art Proof-of-Stake (PoS) blockcha…
Online Payments by Merely Broadcasting Messages (Extended Version)
Daniel Collins, Rachid Guerraoui, Jovan Komatovic +7
We address the problem of online payments, where users can transfer funds among themselves. We introduce Astro, a system solving this problem efficiently in a decentralized, determ…
Scalable Byzantine Reliable Broadcast (Extended Version)
Rachid Guerraoui, Petr Kuznetsov, Matteo Monti +3
Byzantine reliable broadcast is a powerful primitive that allows a set of processes to agree on a message from a designated sender, even if some processes (including the sender) ar…
The Consensus Number of a Cryptocurrency (Extended Version)
Rachid Guerraoui, Petr Kuznetsov, Matteo Monti +2
Many blockchain-based algorithms, such as Bitcoin, implement a decentralized asset transfer system, often referred to as a cryptocurrency. As stated in the original paper by Nakamo…
AT2: Asynchronous Trustworthy Transfers
Rachid Guerraoui, Petr Kuznetsov, Matteo Monti +2
Many blockchain-based protocols, such as Bitcoin, implement a decentralized asset transfer (or exchange) system. As clearly stated in the original paper by Nakamoto, the crux of th…
Limiting the Spread of Fake News on Social Media Platforms by Evaluating Users' Trustworthiness
Oana Balmau, Rachid Guerraoui, Anne-Marie Kermarrec +3
Today's social media platforms enable to spread both authentic and fake news very quickly. Some approaches have been proposed to automatically detect such "fake" news based on thei…