Global Bitcoin Electricity Consumption
The Cambridge University estimated (since the exact calculation is difficult) the global electricity consumption of Bitcoin mining around 121.36 Terawatt-hours (TWh).
What do you think? How long could the city of Zurich could be supplied with this amount of energy when we take the consumption data of Zurich for 2018 for example?
The city of Zurich could be supplied with energy for approximately _______ [years]. This is ridiculous!
[1] 
[2]
Data - City of Zurich
Energy consumption (Watt/Person | Stand: 2018):
[3]
Sources:
[1] BBC News (https://www.bbc.com/news/technology-56012952)
[2] stadt-zuerich.ch (https://www.stadt-zuerich.ch/gud/de/index/umwelt_energie/energie-in-zahlen/2000-watt-indikatoren/primaerenergiebilanz.html)
[3] stadt-zuerich.ch (https://www.stadt-zuerich.ch/prd/de/index/statistik/themen/bevoelkerung/bevoelkerungsentwicklung/aktueller-bevoelkerungsbestand.html)
by Claudio & Kadir