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  • bitdays.co.kr/2021/06/23/%eb%b0%94%eb%82%98%eb%93%90-%ec%8b%9c%ec%9e%a5-%ec%bd%9c%eb%a0%9b-%ea%b1%b0%eb%8c%80%ed%95%9c-%ea%b8%b0%ed%9a%8c%ec%99%80-%ec%84%b1%ec%9e%a5-%ec%a0%84%eb%a7%9d-%ec%a0%95%eb%b3%b4/ (port 80)