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  • bitdays.co.kr/2021/02/23/%ea%b8%80%eb%a1%9c%eb%b2%8c-%eb%b0%94%eb%9e%8c-%eb%b3%bc%ed%8a%b8-%ed%85%90%ec%85%94%eb%84%88-%ec%8b%9c%ec%9e%a5-2021-%eb%b3%b4%ea%b3%a0%ec%84%9c-%ec%8b%ac%ec%b8%b5-%eb%b6%84%ec%84%9d-%eb%b9%84/ (port 80)