High-roller bonuses are offers that casinos give to their customers when they deposit big sums of money. Such customers are called high rollers and the larger the amounts of money they deposit, the more they get rewarded. Casino providers anticipate that players with money on their accounts will play and if they lose, they'll deposit more money.
South Korea is well known for the K-pop and Korean culture revolution that is currently sweeping the world. A highly networked country, with some of the fastest internet speeds in the world, Korea is a place where online gaming is easy thanks to advanced mobile phone networks and a tech-savvy population.