4 papers
Hermes: Low Tail-Latency Via Prefix Consensus
Alejandro Ranchal-Pedrosa, Dakai Kang, Neil Giridharan +3
Leader-based BFT protocols finalize through their leaders: a view whose leader is crashed or slow finalizes nothing, and the timeout that ends it admits no good setting. A conserva…
Cassandra: Consensus with Partial Progress via Robust Partitionable View Synchronization
Shaokang Xie, Dakai Kang, Junchao Chen +3
Replicated databases and permissioned blockchain systems rely on Byzantine Fault-Tolerant (BFT) consensus to maintain a globally consistent order of transactions across distributed…
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…
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…