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  • bitdays.co.kr/2021/04/11/%ea%b8%80%eb%a1%9c%eb%b2%8c-%ed%99%94%eb%ac%bc-%ed%8f%ac%ec%9b%8c%eb%94%a9-%ec%86%8c%ed%94%84%ed%8a%b8%ec%9b%a8%ec%96%b4-%ec%8b%9c%ec%9e%a5%ec%97%90-%ec%9d%98%ed%95%9c-%ec%b5%9c%ec%a2%85-%ec%82%ac/ (port 80)