Flamingo: Multi-round single-server secure aggregation with applications to private federated learning

Y Ma, J Woods, S Angel… - … IEEE Symposium on …, 2023‏ - ieeexplore.ieee.org
This paper introduces Flamingo, a system for secure aggregation of data across a large set
of clients. In secure aggregation, a server sums up the private inputs of clients and obtains …

BFL-SA: Blockchain-based federated learning via enhanced secure aggregation

Y Liu, Z Jia, Z Jiang, X Lin, J Liu, Q Wu… - Journal of Systems …, 2024‏ - Elsevier
Federated learning, involving a central server and multiple clients, aims to keep data local
but raises privacy concerns like data exposure and participation privacy. Secure …

Sok: Distributed randomness beacons

K Choi, A Manoj, J Bonneau - 2023 IEEE Symposium on …, 2023‏ - ieeexplore.ieee.org
Motivated and inspired by the emergence of blockchains, many new protocols have recently
been proposed for generating publicly verifiable randomness in a distributed yet secure …

Asynchronous data dissemination and its applications

S Das, Z **ang, L Ren - Proceedings of the 2021 ACM SIGSAC …, 2021‏ - dl.acm.org
In this paper, we introduce the problem of Asynchronous Data Dissemination (ADD).
Intuitively, an ADD protocol disseminates a message to all honest nodes in an …

Foundations of transaction fee mechanism design

H Chung, E Shi - Proceedings of the 2023 Annual ACM-SIAM …, 2023‏ - SIAM
In blockchains such as Bitcoin and Ethereum, users compete in a transaction fee auction to
get their transactions confirmed in the next block. A line of recent works set forth the …

Practical asynchronous high-threshold distributed key generation and distributed polynomial sampling

S Das, Z **ang, L Kokoris-Kogias, L Ren - 32nd USENIX Security …, 2023‏ - usenix.org
Distributed Key Generation (DKG) is a technique to bootstrap threshold cryptosystems
without a trusted party. DKG is an essential building block to many decentralized protocols …

Blockchain-aided edge computing market: Smart contract and consensus mechanisms

Y Du, Z Wang, J Li, L Shi, DNK Jayakody… - IEEE Transactions …, 2022‏ - ieeexplore.ieee.org
Building upon the prevailing concept of edge computing (EC), a distributed EC market
requires decentralized and verified transaction management to trade computing resources …

Riggs: Decentralized sealed-bid auctions

N Tyagi, A Arun, C Freitag, R Wahby… - Proceedings of the …, 2023‏ - dl.acm.org
We introduce the first practical protocols for fully decentralized sealed-bid auctions using
timed commitments. Timed commitments ensure that the auction is finalized fairly even if all …

Non-interactive VSS using Class Groups and Application to DKG

A Kate, EV Mangipudi, P Mukherjee, H Saleem… - Proceedings of the …, 2024‏ - dl.acm.org
We put forward a non-interactive verifiable secret sharing (NI-VSS) scheme using class
groups-we call it cgVSS. Our construction follows the standard framework of encrypting the …

SoK: Public Randomness

A Kavousi, Z Wang, P Jovanovic - 2024 IEEE 9th European …, 2024‏ - ieeexplore.ieee.org
Public randomness is a fundamental component in many cryptographic protocols and
distributed systems and often plays a crucial role in ensuring their security, fairness, and …