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cs.GT2025
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…
cs.GT2023
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…