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  • bitdays.co.kr/2021/05/13/%ea%b5%ac%eb%a7%a4%ec%9e%90%ea%b0%80-%ec%9d%98%eb%8f%84-%eb%8d%b0%ec%9d%b4%ed%84%b0-%eb%8f%84%ea%b5%ac-%ec%8b%9c%ec%9e%a5-2021-%ea%b8%b0%ec%97%85-%eb%8f%84%ec%a0%84-%ec%82%ac%ec%97%85-%ea%b0%9c/ (port 80)