Self-Motivation
David Goggins
Former Navy Seal
Career Development
Bryan Cranston
Actor
Critical Thinking
Liv Boeree
International Poker Champion
Emotional Intelligence
Amaryllis Fox
Former CIA Clandestine Operative
Management
Chris Hadfield
Retired Canadian Astronaut & Author
Learn
from the world's big
thinkers
Start Learning

Bitcoin mining: What is it? Why does it consume so much energy?

Once a lucrative exercise anyone could do, bitcoin mining has grown out of control, and governments are weighing what to do.

Credit: Getty Images.

Bitcoin is a cryptocurrency located completely online and not tied to any central bank. Its origins are shrouded in mystery and very few people predicted the popularity it currently enjoys.

Keep reading Show less
Quantcast