Korean exchange delisted privacy coin it just goverment issue. The korean goverment wont privacy coins used by peoples to do bad things like drugs , money loundry , and anything about ilegal activity. So Okex is doing what that should they do.
even not using privacy coin, another cryptocurrency can do that, because in blockchain can't tracable even we know where the currency are transacted and received, but who know the owner from that unit currency asset, if the reason from goverment just that, okex still can okex can argue and refuse