A CBC Casper Tutorialby@Vitalik
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A CBC Casper Tutorial

by Vitalik Buterin9mMay 30th, 2019
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CBC Casper is designed to be fundamentally very versatile and abstract. You can use CBC to decide whether to choose 0 or 1, you can make a simple block-by-block chain run on top of CBC, or a 292-dimensional hypercube tangle DAG, and pretty much anything in between. But for simplicity, we will first focus our attention on one concrete case: a simple chain-based structure. We will use only these messages as source data for the “greedy heaviest observed subtree” (GHOST) fork choice rule: start at the genesis block.

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