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Using Random Samples to Scale a Blockchain
Each individual node in the blockchain only needs to store a small portion of the data. The work is split up among a huge number of computers and like that makes sense, right? That's you know, the only sane way to scale a system like that. So how can each computer get a guarantee about the other 9,900 without actually going and verifying themselves? And it turns out that there are some like a bundle of different tricks that can do that.