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  • bitdays.co.kr/2021/05/05/2021%ec%97%90%ec%84%9c-2025-%ec%82%ac%ec%9d%b4-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ec%86%8c%eb%b9%84%ec%9e%90-%ea%b0%80%ec%a0%84-%ec%a0%9c%ed%92%88%ec%9d%98-%ec%a0%84%ec%9e%90-%ec%83%81%ea%b1%b0%eb%9e%98/ (port 80)