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  • bitdays.co.kr/2021/07/22/%ec%84%b8%ea%b3%84-%eb%8c%80%ed%99%94%ec%8b%9d-%ed%99%94%ec%9d%b4%ed%8a%b8-%eb%b3%b4%eb%93%9c-%ec%8b%9c%ec%9e%a5-%ec%84%b1%ec%9e%a5-%ec%a1%b0%ec%82%ac-2021-2025-%eb%85%84-%ec%b5%9c%ea%b3%a0-%ea%b5%ad/ (port 80)