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  • bitdays.co.kr/2021/02/25/%ec%9b%90%ea%b2%a9-%ed%99%98%ec%9e%90-%eb%aa%a8%eb%8b%88%ed%84%b0%eb%a7%81-%ec%9e%a5%ec%b9%98-%ec%8b%9c%ec%9e%a5-2021-%ea%b2%bd%ec%a0%9c-%ec%84%b1%ec%9e%a5-%ec%88%98%ec%9a%94-%eb%b6%84%ec%84%9d/ (port 80)