Natacha Crooks

Today’s practical Byzantine Fault Tolerant (BFT) state machine replication deployments are vulnerable to slowdowns. The main culprit is timeouts. Aggressive timeouts spuriously trigger expensive leader changes, while conservative timeouts leave the system idle and let slowdowns severely inflate l...

Modern-day collaborative editing tools must reconcile a prominent tension between user privacy and collaboration: encrypting user data prevents an application server from processing user edits. We present Acumen, a cryptographic system for real-time collaborative applications based on _conflict-f...