SEOUL, Aug. 13 (UPI) -- Dunamu, which operates South Korea's leading cryptocurrency exchange, Upbit, said Wednesday the company would work with Vietnam's MB Bank to build the Southeast Asian country's first digital asset platform. Toward that end, the firms signed a memorandum of understanding on the sidelines of a forum in Seoul, which hundreds of bureaucrats and businesspeople from the two countries attended. Under the agreement, Dunamu will help MB Bank set up a cryptocurrency exchange and