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  • bitdays.co.kr/2021/07/22/%ec%9e%90%eb%8f%99%ec%b0%a8-%ec%97%90%ec%96%b4-%ed%95%84%ed%84%b0-%ec%8b%9c%ec%9e%a5-%ed%86%b5%ec%b0%b0%eb%a0%a5-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ed%81%ac%ea%b8%b0-%eb%af%b8%eb%9e%98-%ec%84%b1%ec%9e%a5/ (port 80)