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  • bitdays.co.kr/2021/09/25/%ec%8a%a4%ed%8a%b8%eb%a0%88%ec%9d%b4%ed%8a%b8-%ed%8a%9c%eb%b8%8c-%ed%98%95%ea%b4%91%eb%93%b1-%ec%8b%9c%ec%9e%a5-2021-%ec%a3%bc%ec%9a%94-%ec%84%a0%ec%88%98-%ec%a0%90%ec%9c%a0%ec%9c%a8-%eb%b6%84/ (port 80)