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  • bitdays.co.kr/2021/09/19/%ea%b8%80%eb%a1%9c%eb%b2%8c-%ec%97%b0%ea%b2%b0-%eb%a0%88%ec%9d%bc-%ec%86%94%eb%a3%a8%ec%85%98-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-2021-%ea%b5%ad%eb%82%b4-%eb%b0%8f-%ec%84%b8%ea%b3%84-%ec%8b%9c/ (port 80)