SCMP tech reporter Zen Soo is joined by her colleague on the bitcoin/crypto beat, Zheping Huang, for an update on the bitcoin collapse. He also reports from the world's biggest tech markets in Shenzhen, gives an explanation of the 'hard fork' that has split bitcoin cash, and takes us inside the battle between a Chinese-backed consortium and the Australian who claims he is the inventor of bitcoin. Cryptocurrency miners take cover as bitcoin prices dive