South Korea is investigating cryptocurrency exchanges for raising fees following the implementation of new regulations aimed at enhancing transparency and investor protection in the crypto market. The Financial Supervisory Service (FSS) is scrutinizing whether these fee hikes are justified or if they are exploiting the regulatory changes to boost profits. These regulations require exchanges to improve disclosure practices, maintain insurance or reserves to cover incidents like hacking, and prohibit arbitrary blocking of deposits and withdrawals. This investigation underscores South Korea's commitment to ensuring fair market practices and protecting consumers in the rapidly evolving digital asset sector.