3 papers
cs.DC2026
Ambulance: saving BFT through racing
Neil Giridharan, Shubham Mishra, Lorenzo Alvisi +5
Today's practical Byzantine Fault Tolerant (BFT) state machine replication deployments are vulnerable to slowdowns. The main culprit is timeouts. Aggressive timeouts spuriously tri…
cs.DC2026
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…
cs.CR2025
Attacking and Improving the Tor Directory Protocol
Zhongtang Luo, Adithya Bhat, Kartik Nayak +1
The Tor network enhances clients' privacy by routing traffic through an overlay network of volunteered intermediate relays. Tor employs a distributed protocol among nine hard-coded…