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  • bitdays.co.kr/2021/09/18/2021%ec%97%90%ec%84%9c-2027-%ec%82%ac%ec%9d%b4-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ec%8a%ac%eb%a1%af-%eb%a8%b8%ec%8b%a0-%ec%8b%9c%ec%9e%a5-%ea%b0%9c%eb%b0%9c-%ec%88%98%ec%9a%94-%ea%b1%b4%ea%b0%95/ (port 80)