Bitcoin uses more electricity than many countries. How is that possible?

Cryptocurrencies have emerged as one of the most captivating, yet head-scratching, investments in the world. They soar in value. They crash. They'll change the world, their fans claim, by displacing traditional currencies like the dollar, rupee or ruble. Some of them are named after dog memes.

from Markets-Economic Times https://ift.tt/3lvsWj3