It's no secret that Bitcoin and Ethereum are both large consumers of electricity. This fact is used to dispute the efficiency of the underlying technology as it may pose an existential risk to our environment. What good will a decentralized currency do if it only accelerates climate change? This question is not easy to answer without the proper context, and after being asked this question in many forms, by many people, I decided to do some research. In this essay, I will try to contextua...