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  • bitdays.co.kr/2021/05/13/%ec%98%ac%eb%a6%ac%ea%b3%a0-%eb%89%b4%ed%81%b4%eb%a0%88%ec%98%a4%ed%8b%b0%eb%93%9c-%ec%8b%9c%ec%9e%a5-2021-%ea%b8%b0%ec%97%85-%eb%8f%84%ec%a0%84-%ec%82%ac%ec%97%85-%ea%b0%9c%ec%9a%94-%eb%b0%8f/ (port 80)