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  • bitdays.co.kr/2021/05/20/%ea%b8%80%eb%a1%9c%eb%b2%8c-%eb%ac%bc-%ec%86%8c%eb%8f%85%ec%9d%84%ec%9c%84%ed%95%9c-%ec%9e%90%ec%99%b8%ec%84%a0-%eb%9e%a8%ed%94%84-%ec%8b%9c%ec%9e%a5-%ec%a0%84%eb%a7%9d-2021-%eb%85%84-%ec%82%b0/ (port 80)