if you don’t wanna create emissions, just use solar power.

If you have access to solar power, it would be better to use it for something else, or feed it back into the grid.
As long as we’re still burning fossil fuels to create electricity anywhere on earth, wasting any kind of energy is bad.

Crypto has a price (because people believe that it has a price).
It doesn’t add any value to anything. It’s expensive (in terms of energy cost) and absolutely, 100% useless.