Research

My research interests mainly focus on secure multiparty computation, zero-knowledge proofs and blockchain. Recently I start touching a bit about AI&crypto and post-quantum security research.

Publication and Technical Report

FROST in Kryptology at Coinbase PDF

Distributed Key Generation in Kryptology at Coinbase PDF

Threshold ECDSA at Coinbase PDF

Anonymous Lottery In the Proof-of-Stake Setting, with Varun Madathil, Foteini Baldimtsi and Alessandra Scafuro, IEEE Computer Security Foundations 2020 PDF

A Framework for Anonymous Lottery-Based Protocols in the Proof-of-Stake Setting, with Varun Madathil, Foteini Baldimtsi and Alessandra Scafuro, Workshop on Privacy ENhancing Cryptography In Ledgers (PENCIL) associated with EUROCRYPT 2019.

Privately Mixing Identity and Reputation: Hardening the Blockchain to Make it Business-ready, with David W.Kravitz and Dulce Ponceleon. presented to IBM internal staff only, merged in Hyperledger Protocol Specification

Collusion-Resistant Broadcast Encryption with Tight Reductions and Beyond, Linfeng Zhou, PDF

From Weakly Selective to Selective Security in Compact Functional Encryption, Revisited, Linfeng Zhou, PDF

Blog Posts

Meet Kryptology: Coinbase’s Open Source Cryptography Library

FROST at Coinbase, pseudocode

Comparison of Different ZK-SNARKs

and many others……see my medium page or this website

Review

Conference: PKC 2018, CRYPTO 2018, ASIACRYPT 2018, PKC 2019, ICALP 2019

Journal: IEEE Transactions on Information Forensics and Security