1 citations · 1 across the 6 of their papers we have counts for
7 papers
Rational Censorship Attack: Breaking Blockchain with a Blackboard
Michelle Yeo, Haoqian Zhang
Censorship resilience is a fundamental assumption underlying the security of blockchain protocols. Additionally, the analysis of blockchain security from an economic and game theor…
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 +4
Online voting is attractive for convenience and accessibility, but is more susceptible to voter coercion and vote buying than in-person voting. One mitigation is to give voters fak…
Breaking Blockchain Rationality with Out-of-Band Collusion
Haoqian Zhang, Mahsa Bastankhah, Louis-Henri Merino +2
Blockchain systems often rely on rationality assumptions for their security, expecting that nodes are motivated to maximize their profits. These systems thus design their protocols…
F3B: A Low-Overhead Blockchain Architecture with Per-Transaction Front-Running Protection
Haoqian Zhang, Louis-Henri Merino, Ziyan Qu +3
Front-running attacks, which benefit from advanced knowledge of pending transactions, have proliferated in the blockchain space since the emergence of decentralized finance. Front-…
TRIP: Coercion-resistant Registration for E-Voting with Verifiability and Usability in Votegral
Louis-Henri Merino, Simone Colombo, Rene Reyes +9
Online voting is convenient and flexible, but amplifies the risks of voter coercion and vote buying. One promising mitigation strategy enables voters to give a coercer fake voting…
Economic Principles of PoPCoin, a Democratic Time-based Cryptocurrency
Haoqian Zhang, Cristina Basescu, Bryan Ford
While democracy is founded on the principle of equal opportunity to manage our lives and pursue our fortunes, the forms of money we have inherited from millenia of evolution has br…
Infnote: A Decentralized Information Sharing Platform Based on Blockchain
Haoqian Zhang, Yancheng Zhao, Abhishek Paryani +1
Internet censorship has been implemented in several countries to prevent citizens from accessing information and to suppress discussion of specific topics. This paper presents Infn…