Publications

2024

E-Vote Your Conscience: Perceptions of Coercion and Vote Buying, and the Usability of Fake Credentials in Online Voting
Louis-Henri Merino, Alaleh Azhir, Haoqian Zhang, Simone Colombo, Bernhard Tellenbach, Vero Estrada-Galiñanes, Bryan Ford.
45th IEEE Symposium on Security and Privacy (S&P 2024)

ZeroAuction: Zero-Deposit Sealed-bid Auction via Delayed Execution
Haoqian Zhang, Michelle Yeo, Vero Estrada-GaliÃśanes, and Bryan Ford.
Workshop on Trusted Smart Contracts (WTSC 2024)
PDF, Slides, Video.

2023

F3B: A Low-Overhead Blockchain Architecture with Per-Transaction Front-Running Protection
Haoqian Zhang, Louis-Henri Merino, Ziyan Qu, Mahsa Bastankhah, Vero Estrada-Galinanes, Bryan Ford.
Advances in Financial Technologies (AFT 2023)
PDF, Full Version, Video.

Breaking Blockchain Rationality with Out-of-Band Collusion
Haoqian Zhang, Mahsa Bastankhah, Louis-Henri Merino, Vero Estrada-GaliÃśanes, and Bryan Ford.
Workshop on Trusted Smart Contracts (WTSC 2023)
PDF.

2022

Flash Freezing Flash Boys: Countering Blockchain Front-Running
Haoqian Zhang, Louis-Henri Merino, Vero Estrada-GaliÃśanes, and Bryan Ford.
Decentralized Internet, Networks, Protocols, and Systems (DINPS 2022)
PDF.

2020

Economic Principles of PoPCoin, a Democratic Time-based Cryptocurrency
Haoqian Zhang, Cristina Basescu, Bryan Ford.
arXiv preprint
PDF.

2019

Infnote: A Decentralized Information Sharing Platform Based on Blockchain
Haoqian Zhang, Yaocheng Zhao, Abhishek Paryani, Ke Yi.
arXiv preprint
PDF, Video.