Chinese bitcoin miners have long dominated the global processing power that runs the bitcoin network with sophisticated equipment and access to cheap electricity. But now, a group of U.S. miners with deep pockets wants to conquer a greater share of the industry. Photo illustration: Clément Bürge U.S. vs. China This original video series explores the rivalry between the two superpowers’ competing efforts to develop the technologies that are reshaping our world. 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 #Bitcoin #Crypto