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  • bitdays.co.kr/2021/07/28/%ec%a1%b0%eb%aa%85-%ec%a0%9c%ed%92%88-%ec%8b%9c%ec%9e%a5-%eb%b3%b4%ea%b3%a0%ec%84%9c-2021-%ec%a0%90%ec%9c%a0%ec%9c%a8-%ea%b7%9c%eb%aa%a8-%ed%96%a5%ed%9b%84-%eb%8f%99%ed%96%a5-%eb%af%b8%eb%9e%98/ (port 80)