"A single Bitcoin transaction now requires more than 2,000 kilowatt-hours of electricity, or enough energy to power the average American household for 73 days"
Literally every single product and service boils down an exchange of currency for some embodied (goods, services) or pure energy (electricity).
Banking services are an exchange of currency for the energy embodied in protecting the accounting system and providing secure access to money.
Crypto mining uses several orders of magnitude more energy per serviced individual than the entirety of the global banking system combined.