https://www.statista.com/statistics/881541/bitcoin-energy-consumption-transaction-comparison-visa/ https://www.statista.com/statistics/881541/bitcoin-energy-co.

https://www.statista.com/statistics/881541/bitcoin-energy-consumption-transaction-comparison-visa/ https://www.statista.com/statistics/881541/bitcoin-energy-co... "The average energy consumption for one single Bitcoin transaction in 2020 was 741 kilowatt-hours. This was significantly more compared to the cumulative 100,000 VISA transactions with only an energy consumption of 149 kilowatt-hours."