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Nalezeno "proof of work": 442
New Altcoin Promotes Fitness with ‘Proof of Sweat’
15.8.2014
Mangocoinz uses exercise as proof of work, but how to stop the cheaters?
5 Global Problems Bitcoin’s Proof of Work Can Help Solve
3.7.2014
Could there be better uses of cyrptocurrency proof of work rather than just solving arbitrary cryptographic problems?