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  • bitdays.co.kr/2021/12/04/%ea%b8%80%eb%a1%9c%eb%b2%8c-%eb%a6%ac%ec%84%9c%ec%b9%98-%eb%b3%b4%ea%b3%a0%ec%84%9c%ec%97%90-%ed%98%88%ec%95%a1%ed%98%95-%eb%b6%84%ec%84%9d%ea%b8%b0-%ed%8c%90%eb%a7%a4-%ec%8b%9c%ec%9e%a5-%ed%81%ac/ (port 80)