Literally apply that to anything in the world. Excavation technology Mining uranium advances from early to cost-effective heap leaching and underground block

Literally apply that to anything in the world. Excavation technology Mining uranium advances from early to cost-effective heap leaching and underground block leaching --> made it cheaper to mine uranium "We didn't build underground parking garages because the cost to dig was to high" Bitcoin mining cost is high because... answer this and find the answer lol So confused by your comment.