That's a completely ridiculous answer and makes it clear you have no idea what you're talking about. 1) Gold has nothing to do with banking transactions, I've lived my whole life without ever touching a spec of gold. 2) Is about the energy consumption of bank branches. My bank doesn't even have branches. You're comparing apples to... tires or something.
But really, I'm interested in these arguments, please let me know where I can learn more. Especially regarding the idea that it uses less energy than the current banking system.
On the one hand, we have the biggest crisis to ever face humanity, where all of our lives literally hang in the balance and daily we're seeing the effects from wildfires to cold blasts.
There is not enough UV-B in sunlight for your body to manufacture vitamin D when the sun is less than fifty degrees above the horizon. This means that for the majority of the northern half of the United States and all of Canada, you can't make _any_ vitamin D from the end of fall to the beginning of spring.