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  • bitdays.co.kr/2021/05/14/%ed%9a%8c%ea%b3%84-%ec%97%b0%ec%8a%b5-%ea%b4%80%eb%a6%ac-%ec%86%8c%ed%94%84%ed%8a%b8%ec%9b%a8%ec%96%b4-%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)