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  • bitdays.co.kr/2021/07/15/2021-%ea%b8%80%eb%a1%9c%ec%9a%b0-%ed%94%8c%eb%9f%ac%ea%b7%b8-%ec%8b%9c%ec%9e%a5-%eb%8f%99%ed%96%a5-%ec%96%b4%eb%96%bb%ea%b2%8c-%eb%8b%a4%ea%b0%80%ec%98%a4%eb%8a%94-%eb%85%84-%eb%a7%8c%ec%97%90/ (port 80)