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  • bitdays.co.kr/2021/03/07/%eb%b8%94%eb%9d%bc%ec%8a%a4%ed%8a%b8-%ec%ba%90%eb%b9%84%eb%8b%9b-%ec%8b%9c%ec%9e%a5-2021-%eb%8f%99%ed%96%a5-%ec%a4%91%ec%9a%94%ed%95%9c-%ec%84%a0%ec%88%98-%eb%b0%80%eb%8f%84-%ec%a1%b0%ec%84%b1/ (port 80)