New Altcoin Promotes Fitness with ‘Proof of Sweat’

Mining bitcoins chews up a lot of computing power for no other purpose than to sustain the network. Wouldn’t it be useful to mine cryptocurrency in some other, more productive way? Now a team of Serbian developers has tried to crack the problem with a proof-of-concept altcoin that lets you mine coins simply by exercising. Mangocoinz was launched […]

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