Cryptocurrency miners in China are turning off their machines after Beijing warned it would tighten its control over the industry. This has created an opportunity for miners elsewhere, as the power behind crypto becomes less dependent on one place. Photo illustration: Sharon Shi More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com/ Visit the WSJ Video Center: https://wsj.com/video On Facebook: https://www.facebook.com/pg/wsj/videos/ On Twitter: https://twitter.com/WSJ On Snapchat: https://on.wsj.com/2ratjSM #WSJ #China #Crypto