Who owns the reliable information that the network bitcoin uses more than 80% of the countries separately electricity. Bitcoin also multiplied by several times the amount of energy consumed in the last year. Is this really true, who will say? So there are thoughts that bitcoin in a couple of years will be a threat to the energy situation on the planet?
Actually, the amount of energy required to mine bitcoin varies from process to process. the higher the power of the antminer, GPUs and the faster the Internet connection, the cheaper relatively the cost of mining bitcoins. During the earlier days of the bitcoin, the mining was faster and cheaper,, now that's not the case.