Gold machine go Brrr..
Interesting, Bulgaria. Isn't that the government that confiscated and 'lost' 213K
BTC. Maybe they're just diversifying.
I believe the earliest gold artifacts were dug up in Bulgaria. Looks like they have loved gold for 6000 years.
https://en.wikipedia.org/wiki/Varna_NecropolisThey need to keep digging there, they may even find the extremely rare Antminer S4000BC