3 papers
cs.CR2020
Talek: Private Group Messaging with Hidden Access Patterns
Raymond Cheng, William Scott, Elisaweta Masserova +5
Talek is a private group messaging system that sends messages through potentially untrustworthy servers, while hiding both data content and the communication patterns among its use…
cs.LG2018
Efficient Deep Learning on Multi-Source Private Data
Nick Hynes, Raymond Cheng, Dawn Song
Machine learning models benefit from large and diverse datasets. Using such datasets, however, often requires trusting a centralized data aggregator. For sensitive applications lik…
cs.CR2018
Ekiden: A Platform for Confidentiality-Preserving, Trustworthy, and Performant Smart Contract Execution
Raymond Cheng, Fan Zhang, Jernej Kos +6
Smart contracts are applications that execute on blockchains. Today they manage billions of dollars in value and motivate visionary plans for pervasive blockchain deployment. While…