The popularity of Bitcoin in South Korea is impressive. It’s no wonder that the stock exchanges there are some of the most active in terms of turnover and that discussions about the future of BTC can stir up local communities.
more:https://dowbit.com/korean-cryptocurrency-market-regulations/
the total amount of deposits in 2014 was 2.5 billion won and it was 9 billion won in 2015
deposits increased almost 65x times in 2017,reaching 2 trillion won
this is almost an exact figure that Samsung Pay hit in 2016 http://www.zdnet.com/article/samsung-pay-hits-2-trillion-won-in-south-korea/
only 2 bil usd is not much compared to the industrial giants such as Samsung and their payment system
hence there must be a great deal of growing for the crypto related businesses such as exchanges in 2018
maybe not another 60+ times growth,but a healthy growth could well be a possibility