4 papers
Minimizing Commit Rules for DAG-based Atomic Broadcast
Petr Kuznetsov, Maxence Perion, Sara Tucci-Piergiovanni
A popular class of Byzantine fault-tolerant atomic broadcast protocols rely on directed acyclic graphs (DAGs) that represent causal relations between broadcast messages. Each proce…
Wait-free Replicated Data Types and Fair Reconciliation
Petr Kuznetsov, Maxence Perion, Sara Tucci-Piergiovanni
Replication ensures data availability in fault-prone distributed systems. The celebrated CAP theorem stipulates that replicas cannot guarantee both strong consistency and availabil…
Secret Quorums: Protecting Byzantine Protocols Against Adaptive Adversaries
Maxence Perion, Sara Tucci-Piergiovanni, Rida Bazzi
Modern committee-based payment protocols improve scalability by delegating critical operations to small subsets of participants, such as validator committees in blockchains or shar…
Fantastyc: Blockchain-based Federated Learning Made Secure and Practical
William Boitier, Antonella Del Pozzo, Álvaro García-Pérez +9
Federated Learning is a decentralized framework that enables multiple clients to collaboratively train a machine learning model under the orchestration of a central server without…