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  • bitdays.co.kr/2021/09/17/%ea%b8%80%eb%a1%9c%eb%b2%8c-%ed%81%b4%eb%a6%b0-%eb%a3%b8-%eb%a9%b4%eb%b4%89-%ec%8b%9c%ec%9e%a5-%eb%b6%84%ec%84%9d-%ec%84%b1%ec%9e%a5-%ea%b7%9c%eb%aa%a8-%ec%88%98%ec%9a%94-%eb%b0%8f-%ec%98%88/ (port 80)