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  • bitdays.co.kr/2021/02/16/%ec%9e%90%eb%8f%99%ec%b0%a8-%ec%98%a4%eb%94%94%ec%98%a4-%ec%8b%9c%ec%9e%a5-%eb%b3%b4%ea%b3%a0%ec%84%9c-%ed%81%ac%ea%b8%b0-%ec%84%b1%ec%9e%a5-%ec%88%98%ec%9a%94-%eb%b2%94%ec%9c%84-%ea%b8%b0/ (port 80)