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  • bitdays.co.kr/2021/05/26/%ea%b8%80%eb%a1%9c%eb%b2%8c-%ea%b5%ac%ec%b6%a9%ec%a0%9c-%ec%8b%9c%ec%9e%a5-%ea%b3%b5%ea%b8%89-%ec%97%85%ec%b2%b4-%eb%b0%8f-%ec%b1%84%eb%84%90-%ed%8c%8c%ed%8a%b8%eb%84%88%eb%8a%94-2021%ec%97%90/ (port 80)