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  • bitdays.co.kr/2021/05/07/%ea%b8%80%eb%a1%9c%eb%b2%8c-%eb%82%98%ed%8a%b8%eb%a5%a8-%ec%97%bc%ed%99%94-%eb%8b%88%ec%bc%88-%eb%b0%b0%ed%84%b0%eb%a6%ac-%ec%8b%9c%ec%9e%a5-2021-%eb%af%b8%eb%9e%98-%ec%84%b1%ec%9e%a5-%ec%a3%bc/ (port 80)