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  • bitdays.co.kr/2021/05/07/%ec%bd%94%ec%96%b4-%ec%9e%ac%eb%a3%8c-%ec%8b%9c%ec%9e%a5-%eb%b3%b4%ea%b3%a0%ec%84%9c%eb%8a%94-%ec%84%b1%ec%9e%a5-%ec%a0%84%ec%84%b8%ea%b3%84%eb%a5%bc-%ec%a6%9d%ed%8f%ad-%ec%84%b8%ea%b3%84-2021/ (port 80)