The government of South Korea learned to accept the use of blockchain technology, but applied very strong regulations for its use to mitigate its abuse by criminal elements.
South Korean government officials, at the recent “Deconomy” conference in Seoul, stated that it was time to re-evaluate the country’s regulations for the use of cryptocurrency and blockchain technology...
https://www.bitcrypt.co/south-korea-relaxing-cryptocurrency-regulations/
It's great but it's a little bit late, the third biggest exchange of Korea is already closing...
Cryptocurrency exchange Coinnest, once South Korea’s third largest, is closing down.
The exchange posted a notice on its website saying that as of Tuesday it is no longer operating, adding that users will need to withdraw any funds held on its platform by April 30. The fees for withdrawals and the minimum threshold have been lowered to assist the process, it said.
While the notice was vague as to the reasons for the closure, a Coinnest official told CoinDesk Korea:
“It is a natural result of a decrease in trading volume. Both regulatory issues and business decisions have served as a background for this decision.”
https://www.coindesk.com/south-korean-crypto-exchange-coinnest-announces-closure
They say it's a "natural" result of the decrease of volume. So if it's true, it means Korea is still not coming back in the game despite the increase of price.