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cs.DB2025
Carry the Tail in Consensus Protocols
Suyash Gupta, Dakai Kang, Dahlia Malkhi +1
We present Carry-the-Tail, the first deterministic atomic broadcast protocol in partial synchrony that, after GST, guarantees a constant fraction of commits by non-faulty leaders a…
cs.DB2025
FairDAG: Consensus Fairness over Multi-Proposer Causal Design
Dakai Kang, Junchao Chen, Tien Tuan Anh Dinh +1
The rise of cryptocurrencies like Bitcoin and Ethereum has driven interest in blockchain database technology, with smart contracts enabling the growth of decentralized finance (DeF…
cs.DB2024
HotStuff-1: Linear Consensus with One-Phase Speculation
Dakai Kang, Suyash Gupta, Dahlia Malkhi +1
This paper introduces HotStuff-1, a BFT consensus protocol that improves the latency of HotStuff-2 by two network hops while maintaining linear communication complexity against fau…