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  • bitdays.co.kr/2021/09/23/%ea%b8%80%eb%a1%9c%eb%b2%8c-%ec%a0%84%eb%8f%84%ec%84%b1-%ec%a4%91%ed%95%a9%ec%b2%b4-%ec%8b%9c%ec%9e%a5-%ec%a0%84%eb%a7%9d-2021-%ea%b5%ad%eb%82%b4-%eb%b0%8f-%ec%84%b8%ea%b3%84-%ec%8b%9c%ec%9e%a5/ (port 80)