Above is a short video I authored. Increased production of energy metals such as copper, cobalt, lithium, manganese, molybdenum and others will be key to a strong blockchain future. Mining tokens such as Bitcoin especially uses large amounts of electricity, though estimates vary.
Music: Parting Glass by Audionautix is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/…) Artist: http://audionautix.com/