Upbit is the only member of the “big four” cryptocurrency exchange platforms in South Korea to record profits for 2018. The big four refers to the four ...
source https://www.google.com/url?rct=j&sa=t&url=https://smartereum.com/51116/three-of-the-big-four-cryptocurrency-exchanges-in-south-korea-recorded-losses-in-2018/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNF5OPQMxlXUUwGiJrtUzujRrvjQSQ