Blockchain Bribing Attacks and the Efficacy of Counterincentives

We analyze bribing attacks in distributed ledgers from a game theoretic perspective. In bribing attacks, an adversary offers to maintainers a financial reward, in exchange for instructing them on how to behave, with the goal of attacking the protocol's properties. We consider two types of bribing, depending on how the bribes are awarded: i) guided bribing, where the bribe is given as long as the bribed party behaves as instructed; ii) effective bribing, where bribes are conditional on the attack's …

adversary attacks blockchain cs.cr cs.gt distributed exchange financial game goal maintainers perspective protocol reward types