CryptofeedNew Altcoin Promotes Fitness with ‘Proof of Sweat’Publikováno: 15.8.2014#Markets#Tech#Business#Proof-of-Work#Technology#Mangocoinz#Lifestyle#Altcoins#Features#Other Public Protocols#Technology NewsCelý článek Mangocoinz uses exercise as proof of work, but how to stop the cheaters?