3 papers
cs.DC2025
Did we miss P In CAP? Partial Progress Conjecture under Asynchrony
Junchao Chen, Suyash Gupta, Daniel P. Hughes +1
Each application developer desires to provide its users with consistent results and an always-available system despite failures. Boldly, the CALM theorem disagrees. It states that…
cs.CR2025
Securing Consensus from Long-Range Attacks through Collaboration
Junchao Chen, Suyash Gupta, Alberto Sonnino +2
Decentralized systems built around blockchain technology promise clients an immutable ledger. They add a transaction to the ledger after it undergoes consensus among the replicas t…
cs.DB2025
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…