"Research has found that bitcoin miners alone consume approximately between 60 to 125 TWh of energy annually, which is equivalent to around 0.6% of global electricity"
"Traditional banks' total annual energy consumption of traditional banks is around 26 TWh on running servers, 26 TWh on ATMs, and 87 TWh from an estimate of 600k+ branches worldwide. Totaling 139 TWh."
Not to mention banks impact on people's lives. Limited purchasing power of the poor and soon to join them middle class.. to purchase disposable products
https://www.iyops.org/post/energy-consumption-cryptocurrency-vs-traditional-banks