Wu Shuo learned that Upbit, the first exchange in South Korea, announced the launch of Mantra (OM) Korean won, BTC, and USDT trading pairs. Simultaneously add USDT trading pairs for ACS, GO, OBSR, QTCON, and RLY. Mantra's sharp drop of 80% previously sparked controversy, and there were also a lot of negative news about the project in its early stages.