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  • bitdays.co.kr/2021/04/17/%eb%8c%80%eb%b3%80-%e2%80%8b%e2%80%8b%ea%b4%80%eb%a6%ac-%ec%8b%9c%ec%8a%a4%ed%85%9c-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-%ea%b3%b5%ec%9c%a0-%ea%b8%b0%ed%9a%8c-%eb%af%b8%eb%9e%98-%eb%8f%99%ed%96%a5/ (port 80)