한은, 한미 통화스와프 자금 4차분 공급...21일부터 40억달러 입찰br br The Bank of Korea will supply its fourth round of dollar funding to local banks through the South Korea-U.S. currency swap arrangement that was reached last month.br The 60-billion-dollar currency swap with the Federal Reserve was made to prevent a foreign exchange liquidity crunch in South Korea.br The central bank will hold an online auction to provide up to four billion U.S. dollars in short-term loans in the coming hours.br Successful bidders will receive the loans on Thursday.