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  • bitdays.co.kr/2021/02/12/%ec%8b%a4%eb%a6%ac%ec%bd%98-%eb%8c%80%ec%83%81-%ec%8b%9c%ec%9e%a5-2021-%ec%82%b0%ec%97%85-%ec%97%b0%ea%b5%ac-%ea%b3%b5%ec%9c%a0-%ed%8a%b8%eb%a0%8c%eb%93%9c-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ec%82%b0/ (port 80)