Let's analyse the situation, The extent of bitcoin's impact on the environment, and how much that should matter to people who use it. The Bitcoin Energy Consumption Index shows that global digital "mining" of bitcoin consumes more energy than 159 countries. Nearly 10 U.S. households can be powered for one day by the electricity consumed for a single bitcoin transaction, according to the group, according to Digiconomist.
In other words, it takes a whopping 29.05 TWh (terawatt hours, equal to one million megawatt hours) annually to operate the energy-hungry computers and networks that power bitcoin transactions. That's about 0.13 percent of total global electricity consumption, While de Vries says bitcoin is consuming an "insane amount of energy," both on its own and relative to older payment systems such as credit cards, others think the situation is now so dire.
Bitcoin investor Marc Bevand, of St. Louis, has written that bitcoin likely uses close to four or five terawatt hours, less than the annual electricity consumption for Christmas lights in the U.S. He said that he believes bitcoin's benefits, such as making payments more efficient and helping people escape inflation, outweigh the environmental toll.
However, he added: "We don't have exact data to say how much we are benefiting from bitcoin.