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  • bitdays.co.kr/2021/05/06/%ec%82%b0%ec%84%b1-%eb%b0%b0%ed%84%b0%eb%a6%ac-%ec%9e%ac%ed%99%9c%ec%9a%a9-%eb%a6%ac%eb%93%9c-%ec%8b%9c%ec%9e%a5-%eb%b3%b4%ea%b3%a0%ec%84%9c%eb%8a%94-2021-%ec%84%b8%ea%b3%84-%ec%b5%9c%ea%b3%a0/ (port 80)