Crisis: Probabilistically Self Organizing Total Order in Unstructured P2P Networks

07/13/2019

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by   Mirco Richter, et al.

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A framework for asynchronous, signature free, fully local and probabilistically converging total order algorithms is developed, that may survive in high entropy, unstructured Peer-to-Peer networks with near optimal communication efficiency. Regarding the natural boundaries of the CAP-theorem, Crisis chooses different compromises for consistency and availability, depending on the severity of the attack. The family is parameterized by a few constants and external functions called voting-weight, incentivation & punishement, difficulty oracle and quorum-selector. These functions are necessary to fine tune the dynamics and very different long term behavior might appear, depending on any actual choice.