Core Concepts
Gamu Blue is a practical tool that implements various security-related game-theoretic equilibria definitions, enabling researchers and practitioners to analyze the strategic interactions and security properties of multi-party games.
Abstract
The paper introduces Gamu Blue, a tool for computing security-related game-theoretic equilibria definitions, including k-resiliency, t-immunity, (k,t)-robustness, ℓ-repellence, (ℓ,t)-resistance, and m-stability. These equilibria concepts were previously proposed in the literature to analyze the security of mechanisms involving multiple parties.
The paper first provides the necessary background on game theory and the various security equilibria definitions. It then presents the algorithms implemented in Gamu Blue to compute these equilibria, along with their time complexity analysis. The authors also conduct experiments on two multi-party games, the Incentivized Outsourced Computation (IOC) game and the Forwarding Dilemma (FD) game, to demonstrate the performance of their algorithms.
The key highlights and insights from the paper are:
Gamu Blue is an open-source tool that provides implementations for computing security-related game-theoretic equilibria, addressing the lack of practical tools in this domain.
The algorithms implemented in Gamu Blue have exponential time complexity, as computing these equilibria is PPAD-complete, a class of intractable problems.
The experimental results show that the algorithms perform well on the IOC and FD games, with the timings aligning with the known theoretical properties of these games.
The paper provides a baseline for comparing future algorithmic improvements against the current implementations in Gamu Blue.
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