What did Satoshi Nakamoto invent? While “Bitcoin!” might frankly be the most common answer, there is more to the concept behind its revolutionary combinations of infrastructure and protocols. But taking a step back from limitless euphoria for cryptocurrencies, there still are a lot of implications and consequences of Bitcoin, Ethereum, and co. The impact of Bitcoin on the environment via the energy consumption of mining is one of the most frequent counterarguments to crypto. Cedric Heidt of the Frankfurt School Blockchain Center calculated the global carbon footprint of Bitcoin mining and clears up the debate.