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cs.DC2026
Simple-IT: Practical Low-Latency Signature-Free BFT Consensus
Qianyu Yu, Juan Villacis, Giuliano Losa +2
Recent advances in quantum computing pose a looming threat to most current Byzantine fault-tolerant (BFT) consensus protocols, which rely on quantum-vulnerable public-key signature…
cs.DC2025
Angelfish: Leader, DAG, or Anywhere in Between
Qianyu Yu, Giuliano Losa, Nibesh Shrestha +1
To maximize performance, many modern blockchain systems rely on eventually-synchronous, Byzantine fault-tolerant (BFT) consensus protocols. Two protocol designs have emerged in thi…
cs.DC2025
Optimistic, Signature-Free Reliable Broadcast and Its Applications
Nibesh Shrestha, Qianyu Yu, Aniket Kate +3
Reliable broadcast (RBC) is a key primitive in fault-tolerant distributed systems, and improving its efficiency can benefit a wide range of applications. This work focuses on signa…