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  • bitdays.co.kr/2021/05/19/%eb%86%92%ec%9d%80-%ed%95%99%eb%85%84-%eb%82%b4%ed%99%94%eb%ac%bc-%ec%8b%9c%ec%9e%a5%ec%9d%80-2021-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ea%b3%b5%ec%9c%a0-%ed%81%ac%ea%b8%b0-%eb%af%b8%eb%9e%98-%ec%88%98/ (port 80)