Hyosung is one of the largest South Korean companies, with mora than 25,000 employees and revenue of US $17 billion in 2015. ATM machines are just a small part of their business. The organization also works in construction and chemicals. Even though most of their ATM machines are in South Korea, they also have some in other countries, including the US. It’s hard to know where bitcoin’s growth and popularity is going to end, but it has already surprised almost everybody.