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  • bitdays.co.kr/2021/04/15/%ec%88%98%ec%88%a0-%ec%9a%a9-%ed%82%a4%ed%8a%b8-%ec%8b%9c%ec%9e%a5-2020-%eb%b9%84%ec%a6%88%eb%8b%88%ec%8a%a4%ec%9d%98-%ed%81%ac%ea%b8%b0-%ea%b3%b5%ec%9c%a0-%ea%b8%b0%ed%9a%8c-%eb%af%b8%eb%9e%98/ (port 80)