South Korean customs authorities have uncovered an international network that laundered more than $102 million through cryptocurrencies and the domestic banking system. According to investigators, it was a sophisticated system that masked money transfers as ordinary expenses between 2021 and 2025, such as plastic surgery or tuition fees.<\/p>\n\n\n\n
Korea Customs Service<\/a> (KCS) announced on Monday that it had handed over three people to prosecutors on suspicion of violating the Foreign Exchange Transactions Act. The information was reported by the Yonhap agency.<\/p>\n\n\n\n According to authorities, the group operated from September 2021 to June 2025, processing approximately 148.9 billion won (about $101.7 million) during that time. The scheme was based on purchasing cryptocurrencies in various countries, transferring them to wallets in South Korea, then exchanging them for local currency and distributing the money to a large number of bank accounts. The aim was to disperse the flow of funds so as not to attract the attention of regulatory authorities.<\/p>\n\n\n\n The case comes at a time when South Korean authorities are significantly tightening their supervision of illegal foreign exchange transactions. On January 13, the KCS announced that it was introducing year-round “intensive controls” targeting underground exchange offices and unofficial money transfers that could threaten exchange rate stability.<\/p>\n\n\n\n The reason is clear: the difference between the volume of foreign trade recorded by banks and the value of goods reported to customs authorities rose to approximately $290 billion in 2025. This is the largest difference in the last five years\u2014and, according to the authorities, a clear signal that some capital <\/a>is moving outside the official system.<\/p>\n\n\n\n In addition, a separate audit focused on one specific sector showed that 97% of the companies audited were involved in illegal transactions. The total volume of these transactions reached 2.2 trillion won.<\/p>\n\n\n\n The crackdown also sheds new light on South Korea’s rapidly growing cryptocurrency market<\/a>. According to data from the Financial Services Commission, the total capitalization of cryptocurrency assets in the country reached 95 trillion won (about $64.6 billion) in June 2025. The average daily trading volume is around $4.35 billion.<\/p>\n\n\n\n It is this combination\u2014high liquidity, global reach, and relative anonymity\u2014that makes cryptocurrencies an attractive tool not only for investors but also for those who want to circumvent the rules.<\/p>\n\n\n\n With this case, South Korean authorities are making it clear that the era of a benevolent approach to crypto transactions is coming to an end. In a country that is among the world leaders in the adoption of digital assets, cryptocurrencies<\/a> are increasingly becoming not only a symbol of technological progress but also the subject of strict regulatory oversight.<\/p>\n\n\n\n Sources:<\/p>\n\n\n\n https:\/\/en.yna.co.kr\/view\/AEN20260119003300320<\/a><\/p>\n\n\n\n https:\/\/www.customs.go.kr\/kcs\/na\/ntt\/selectNttInfo.do<\/a><\/p>\n\n\n\nRead also:\u00a0IBIT investors are losing money<\/a><\/h3>\n\n\n\n
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