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  • bitdays.co.kr/2021/02/24/%eb%af%b8%eb%84%a4%eb%9e%84-%ec%a0%88%ec%97%b0-%eb%82%9c%eb%b0%a9-%ec%bc%80%ec%9d%b4%eb%b8%94-%ed%8c%90%eb%a7%a4-%ec%8b%9c%ec%9e%a5-%ec%a0%90%ec%9c%a0%ec%9c%a8-2021-%ea%b8%80%eb%a1%9c%eb%b2%8c/ (port 80)