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  • bitdays.co.kr/2021/07/22/%ec%84%b8%ea%b3%84-%ec%b9%b4%ec%a7%80%eb%85%b8-%ed%98%b8%ed%85%94-%ec%8b%9c%ec%9e%a5-%eb%b3%b4%ea%b3%a0%ec%84%9c-%ec%84%a4%eb%ac%b8-%ec%a1%b0%ec%82%ac-2021-2025-%ec%97%85%ea%b3%84-%eb%8f%99%ed%96%a5/ (port 80)