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  • bitdays.co.kr/2021/09/22/%eb%a1%9c%ed%83%80%eb%a6%ac-%eb%94%94%ec%a0%a4-%eb%ac%b4%ec%a0%95%ec%a0%84-%ec%a0%84%ec%9b%90-%ea%b3%b5%ea%b8%89-%ec%8b%9c%ec%8a%a4%ed%85%9c-%ec%8b%9c%ec%9e%a5-2021-%ec%88%98%ec%9a%94-%eb%b9%84/ (port 80)