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  • bitdays.co.kr/2021/09/16/%ec%95%8c%ed%8c%8c-%eb%a9%94%ed%8b%b8-%ec%8a%a4%ed%8b%b0%eb%a0%8c-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-%ea%b3%b5%ec%9c%a0-%ea%b8%b0%ed%9a%8c-%eb%af%b8%eb%9e%98-%eb%8f%99%ed%96%a5-%ec%b5%9c-2/ (port 80)