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  • bitdays.co.kr/2021/07/31/%ec%a7%80%ec%9b%90%ed%95%98%eb%8b%a4-%ec%8b%9c%ec%9e%a5-2021-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ec%a0%84%eb%a7%9d-%ec%84%b1%ec%9e%a5-%ec%9d%b8%ec%9e%90-%eb%b0%8f-2025-%eb%85%84%ea%b9%8c%ec%a7%80/ (port 80)