These claims have both been debunked. The majority of energy used by bitcoin is renewable [1]. Ransomware was enabled by credit cards before bitcoin was a thing

These claims have both been debunked. The majority of energy used by bitcoin is renewable [1]. Ransomware was enabled by credit cards before bitcoin was a thing. The increase in ransomware is because of the increase in the value of that data not the ability to extort. [1] https://www.finextra.com/newsarticle/36672/renewable-energy-not-as-prominent-in-cryptocurrency-mining-as-previously-claimed https://www.finextra.com/newsarticle/36672/renewable-energy-...