Cryptocurrency

Waste of energy

It's one thing to lose your investment in a lotto ticket. You are the only person that loses. That's fair.

It's another thing to generate pollution and waste energy every time you lose. We all lose energy and air cleanliness. This is not fair because we all have to pay for your greed.

A lot of miners compete every 10 minutes to see who can solve a problem by calculating a hash before anyone else in the world. The winners use a tiny amount of electricity to calculate the winning hash and are awarded some new bitcoins for their trouble.