885 citations · 3.8k across the 104 of their papers we have counts for
5 papers · 1 filter
CoVer: Collaborative Light-Node-Only Verification and Data Availability for Blockchains
Steven Cao, Swanand Kadhe, Kannan Ramchandran
Validating a blockchain incurs heavy computation, communication, and storage costs. As a result, clients with limited resources, called light nodes, cannot verify transactions inde…
FastSecAgg: Scalable Secure Aggregation for Privacy-Preserving Federated Learning
Swanand Kadhe, Nived Rajaraman, O. Ozan Koyluoglu +1
Recent attacks on federated learning demonstrate that keeping the training data on clients' devices does not provide sufficient privacy, as the model parameters shared by clients c…
SeF: A Secure Fountain Architecture for Slashing Storage Costs in Blockchains
Swanand Kadhe, Jichan Chung, Kannan Ramchandran
Full nodes, which synchronize the entire blockchain history and independently validate all the blocks, form the backbone of any blockchain network by playing a vital role in ensuri…
Hiding the Rumor Source
Giulia Fanti, Peter Kairouz, Sewoong Oh +2
Anonymous social media platforms like Secret, Yik Yak, and Whisper have emerged as important tools for sharing ideas without the fear of judgment. Such anonymous platforms are also…
Distributed Secret Dissemination Across a Network
Nihar B. Shah, K. V. Rashmi, Kannan Ramchandran
Shamir's (n, k) threshold secret sharing is an important component of several cryptographic protocols, such as those for secure multiparty-computation and key management. These pro…