Bithub Africa, a Kenya-based blockchain and cryptocurrency startup is studying the use of off-grid solar power to mine Bitcoin and Ethereum. Speaking on its proposed operations, John Karanja CEO and founder of Bithub Africa expressed his optimism regarding their mining operations which he hopes will spread the technology to other parts of the continent. In his words, Mr Karanja quipped: We are using solar energy in a similar manner to traditional power sources, to test…