Hard-drive space as a tangible, scarce Sybil resistance resource: the PoST protocol

roof of Space-Time (PoST) is a new cryptographic primitive, designed to replace Proof of Work (PoW) as a proof-of-resource-consumption scheme, and so as a Sybil-resistance mechanism for permissionless cryptocurrencies. It was introduced in 2016 by Tal Moran and Ilan Orlov in a paper titled “Simple Proofs of Space-Time and Rational Proofs of



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Moshe Shababo

“Will it perhaps be said of us that we too, steering westward, hoped to find an India—but it was out fate to be wrecked against infinity? Or, my brothers, Or?”