Bitcoin miners got kicked out of China. Now they're sucking America dry.

Anson Chan for BI

China used to be the crypto capital of the world. Thanks to the cheap energy and friendly regulations, mining companies flocked to set up shop in a country reluctantly playing host to the energy-intensive process of creating coins and validating transactions. In 2019, despite some regulation and a ban on initial coin offerings years prior, China's leader, Xi Jinping, called for widespread implementation of blockchain technology to support the country's quest for secure and reliable data systems...