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  • bitdays.co.kr/2021/11/15/%ea%b8%80%eb%a1%9c%eb%b2%8c-%ec%9e%ac-%ec%b2%98%eb%a6%ac-%eb%90%9c-%ec%9d%bc%ed%9a%8c%ec%9a%a9-%ec%9e%a5%ec%b9%98-%ec%8b%9c%ec%9e%a5-%ea%b7%9c%eb%aa%a8-2021-%ea%b5%ad%eb%82%b4-%eb%b0%8f-%ea%b8%80/ (port 80)