Watch Out CZ, Justin Sun: 2025 Put Two New South Korean Crypto Billionaires on the Block
South Korea has quietly produced two new crypto billionaires, putting them in the same league as Changpeng “CZ” Zhao and Justin Sun. Song Chi-hyung and Kim Hyoung-nyon, the co-founders behind Upbit operator Dunamu Inc., crossed the billionaire mark in 2025 after agreeing to sell their company last week. The buyer is Naver Financial, part of
