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  • bitdays.co.kr/2021/09/11/%ec%9d%98%eb%ac%b4-%eb%8b%a8%ec%a0%90-%ec%84%9c%eb%b9%84%ec%8a%a4-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-%ea%b3%b5%ec%9c%a0-%ea%b8%b0%ed%9a%8c-%eb%af%b8%eb%9e%98-%eb%8f%99%ed%96%a5-%ec%b5%9c/ (port 80)