KB Kookmin Bank, the largest of the country's top four banks, was the first to enter the DACS market, partnering with Haechi Labs, a local blockchain business. With an increased threat to the security of current digital asset holdings, there is a growing need to relax strict controls on crypto trade and exchange. In Korea, it is illegal to use services provided by crypto exchanges, which has resulted in the high-risk storing of big crypto investments in USB drives.