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  • bitdays.co.kr/2021/02/24/%ec%9e%90%eb%8f%99%ec%b0%a8-%ec%b9%b4%eb%b3%b8-%ec%ba%90%eb%8b%88%ec%8a%a4%ed%84%b0-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-%ea%b3%b5%ec%9c%a0-2021-%ec%b5%9c%ea%b3%a0-%ec%84%a0%eb%8f%84-%ea%b5%ad/ (port 80)