Also the energy spent on gold mining is dissipated into the universe. If the spot price of a Bitcoin fall's bellow the production price in electricity, the log

Also the energy spent on gold mining is dissipated into the universe. If the spot price of a Bitcoin fall's bellow the production price in electricity, the logic thing for the miners to do is to stop mining, if they do this, the blocks will start to take more than 10 minutes and supply will decrease, moving the market price until it reaches equilibrium.