3 papers
cs.DC2021
How to Trust Strangers: Composition of Byzantine Quorum Systems
Orestis Alpos, Christian Cachin, Luca Zanolini
Trust is the basis of any distributed, fault-tolerant, or secure system. A trust assumption specifies the failures that a system, such as a blockchain network, can tolerate and det…
cs.DC2021
On the Synchronization Power of Token Smart Contracts
Orestis Alpos, Christian Cachin, Giorgia Azzurra Marson +1
Modern blockchains support a variety of distributed applications beyond cryptocurrencies, including smart contracts -- which let users execute arbitrary code in a distributed and d…
cs.DC2020
Consensus Beyond Thresholds: Generalized Byzantine Quorums Made Live
Orestis Alpos, Christian Cachin
Existing Byzantine fault-tolerant (BFT) consensus protocols address only threshold failures, where the participating nodes fail independently of each other, each one fails equally…