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  • bitdays.co.kr/2021/09/18/%ed%81%ac%ea%b8%b0%ec%97%90-%ec%9d%98%ed%95%b4-%ec%8b%9d%ed%92%88-%eb%b3%b4%ec%a1%b0%ec%a0%9c-%ec%84%b1%eb%b6%84-%ec%8b%9c%ec%9e%a5-2021-%ec%b5%9c%ea%b3%a0-%ea%b5%ad%ea%b0%80-%ec%84%b1%ec%9e%a5/ (port 80)