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  • bitdays.co.kr/2021/12/03/%ea%b8%b0%ec%a1%b4%ec%9d%98-%ec%99%80%ec%9d%b4%ed%8d%bc-%eb%b8%94%eb%a0%88%ec%9d%b4%eb%93%9c-%ec%8b%9c%ec%9e%a5-2021-2025-%eb%85%84-%ec%b5%9c%ea%b3%a0-%ea%b5%ad%ea%b0%80-%eb%8d%b0%ec%9d%b4%ed%84%b0/ (port 80)