at least in germany you can pay for your burger in btc if you order it online. For example on lieferando.de which is one of the biggest website for restaurant deliveries in germany
That's why there's a law in germany that you have to present an Energy Performance Certificate when you sell, let or build a house/appartement. It shows how good the building is insulated and how much energy you need to cool/heat it. But then electricity is much more expensive than in the US.
EDIT: Seems like this is true for all european countries
* no java * lightweight docker implementation * self hosted
Funny how a perfect solution randomly pops up on the front page. I will check it out the coming week, thank you very much! :)