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  • bitdays.co.kr/2021/09/23/%ed%8f%b4%eb%a6%ac-%eb%b6%80%ed%8b%b8-%eb%a0%8c-%ed%8c%8c%ec%9d%b4%ed%94%84-%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%ec%84%9d-%ec%a3%bc/ (port 80)