2 citations · 3 across the 5 of their papers we have counts for
5 papers
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…
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…
Moonshot: Optimizing Chain-Based Rotating Leader BFT via Optimistic Proposals
Isaac Doidge, Raghavendra Ramesh, Nibesh Shrestha +1
Existing chain-based rotating-leader BFT SMR protocols for the partially synchronous network model with constant commit latencies incur block periods of at least (where is…
Revisiting EZBFT: A Decentralized Byzantine Fault Tolerant Protocol with Speculation
Nibesh Shrestha, Mohan Kumar
In this note, we revisit EZBFT[2] and present safety, liveness and execution consistency violations in the protocol. To demonstrate these violations, we present simple scenarios, i…
Revisiting hBFT: Speculative Byzantine Fault Tolerance with Minimum Cost
Nibesh Shrestha, Mohan Kumar, SiSi Duan
FaB Paxos[5] sets a lower bound of 5f + 1 replicas for any two-step consensus protocols tolerating f byzantine failures. Yet, hBFT[3] promises a two-step consensus protocol with on…