Proof-of-Work is catalogued under Series 2, a set in Cardsmiths Currency, a premium collector line tracing the history of money from ancient coinage to cryptocurrency. Konstantin handled the artwork. It exists in 15 variants, down to Onyx at a print run of 1. It is numbered 9 out of 74.
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Proof-of-Work is the process where one person (or party) cryptographically proves to another that they have committed a certain amount of computational energy to a specific goal. The term is most often applied to the mining and securing of cryptocurrency blockchains.
