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Extensive Form Game

Definition ∞ An extensive form game is a model in game theory that represents strategic interactions between players over a sequence of moves, depicted as a decision tree. It illustrates the order of players’ actions, the information available to them at each decision point, and the resulting payoffs. This representation allows for the analysis of sequential decision-making and strategic planning.
Context ∞ In the design and analysis of blockchain protocols and decentralized autonomous organizations, extensive form games are applied to understand the strategic behaviors of network participants, such as validators, miners, or token holders. This analytical tool helps predict potential attack vectors and design incentive mechanisms that align individual actions with collective network security and efficiency. Its application is key to building robust and sybil-resistant decentralized systems.

This visual depicts a sophisticated, modular mechanical assembly with glowing blue translucent elements and white segmented casings, suggesting advanced technological integration. It evokes concepts of secure, distributed ledger technology infrastructure and decentralized application architecture. The interlocking components symbolize cryptographic key exchange and consensus mechanisms, essential for robust blockchain network operations and the seamless flow of digital assets within a peer-to-peer ecosystem. This imagery aligns with the underlying principles of decentralized finance DeFi protocols.

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Strongly BPIC Mechanism Secures Leaderless DAG Consensus Fee Allocation

A new game-theoretic model and First-Price Auction with Equal Sharing (FPA-EQ) mechanism solves transaction fee alignment in leaderless DAG protocols.