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  • bitdays.co.kr/2021/09/12/%ec%98%a4%ed%86%a0%eb%b0%94%ec%9d%b4-%ed%8a%9c%eb%b8%8c%eb%a6%ac%ec%8a%a4-%ed%83%80%ec%9d%b4%ec%96%b4-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-2021-%ec%a4%91%ec%9a%94%ed%95%9c-%ec%84%a0%ec%88%98/ (port 80)