Creation of digital bitcoins by computer networks has real-world consequences in form of massive energy use, including fuels that cause most pollution.
“We’ve been intensively focusing on how to manage future cobalt supply for a year now. Before, it wasn’t clear just how quickly demand will accelerate.”
Gold demand in most Asian centres firmed this week, spurred on by a dip in prices although buyers in the world's second-biggest consumer India held off buying in the hope of further falls.