They are actually not going to ban cryptos. At least that was the Prime Minister's, or whatever their head of state is called, statement. They "like" cryptos and are open to the idea in general. They just want to regulate them but can't seem to figure it out.
https://www.reuters.com/article/us-crypto-currencies-southkorea/south-korea-keeps-investors-guessing-on-cryptocurrency-regulation-idUSKCN1GB0GO