When it says transaction, is it referring to one person sending bitcoins to another person, or something else? Is that much energy really required confirm just one transaction?
I'm also wondering whether the energy requirement depends on the amount of bitcoins being sent as well.
What are you gonna do with all this info

Oh just saw your signature. Nvm

I'm just being critical, man. I don't need concrete numbers, I doubt anybody can provide any numbers on this. I'm just trying to understand what the writer meant with one transaction, because I think the numbers in the article are exaggerated and whether the writer knows what she is really talking about.