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  • bitdays.co.kr/2021/07/22/%ec%84%b8%ea%b3%84%ec%a0%81%ec%9d%b8-%ec%8a%a4%eb%a7%88%ed%8a%b8-%ed%99%88-%ec%98%a4%ed%86%a0%eb%a9%94%ec%9d%b4%ec%85%98-%ec%8b%9c%ec%9e%a5-%ec%84%b1%ec%9e%a5-2021-2025-%eb%85%84-%ec%97%85%ea%b3%84/ (port 80)