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  • bitdays.co.kr/2021/02/16/%ea%b8%80%eb%a1%9c%eb%b2%8c-%ed%8a%b8%eb%9e%99%ed%84%b0-%ed%83%80%ec%9d%b4%ec%96%b4-%ec%b2%b4%ec%9d%b8-%ec%8b%9c%ec%9e%a5%ec%97%90-%ec%9d%98%ed%95%9c-%ec%b5%9c%ec%a2%85-%ec%82%ac%ec%9a%a9%ec%9e%90/ (port 80)