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  • bitdays.co.kr/2021/09/04/%ec%84%a0%eb%8f%84%ea%b5%ad-%eb%8d%b0%ec%9d%b4%ed%84%b0%ea%b0%80%ec%9e%88%eb%8a%94-2025-%eb%85%84-%ec%a0%84%ec%82%b0-%ec%9c%a0%ec%b2%b4-%ec%97%ad%ed%95%99-cfd-%ec%86%8c%ed%94%84%ed%8a%b8%ec%9b%a8/ (port 80)