Bitcoin in the bush – crypto mining brings power to rural areas
Cyber correspondent, BBC World Service

The 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 Phillip Walton as he surveys the shipping container with 120 computers busily crunching through complex calculations that verify bitcoin transactions.
In exchange they are automatically rewarded bitcoin by the network.
We’re in the far north-western tip of Zambia near the border with the DRC, and of all the bitcoin mines I’ve…