Bitcoin in the bush - the crypto mine in remote ZambiaJoe TidyCyber correspondent, BBC World ServiceReporting fromZambiaBBCEngineers from Gridless create makeshift computer labs to maintain their bitcoin minesThe roar of the Zambezi is deafening as millions of gallons of water crash over rocks and tumble down rapids.But there's another sound cutting through the trees of the Zambian bush - the unmistakable high-pitched whine of a bitcoin mine."It's the sound of money!" says a smiling Philip Walto...