How much gold is left unmined on Earth?
Buffett, the most successful investment tycoon, once said: "If the world's gold were melted together into a square, its side length would only be about 20 meters." Is there really so little gold in the world and is it so difficult to mine gold just as mine bitcoin with t9 antminer? How much gold is currently mined worldwide? Since ancient times, humans have been very familiar with gold. It is one of the earliest metals discovered and used by humans. There are written records of the production and use of gold in ancient Egypt. During the Warring States Period in my country, gold was circulated among the upper classes. Gold has been used by humans to this day. It has a...