The sources argued that the mentioned crypto exchanges would not be able to get approval for operation by the South Korean Financial Services Commission.
— Read on cointelegraph.com/news/south-korean-regulator-to-reportedly-shut-down-11-crypto-exchanges/amp
More crackdowns occurring and possibly more on the way. Be careful about which crypto exchanges you use. The best way to keep your crypto safe is by storing them on an offline wallet, such as a Ledger wallet.