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  • bitdays.co.kr/2021/05/07/%ec%84%b8%ed%8f%ac-%eb%8f%85%ec%84%b1-%ec%95%bd%eb%ac%bc-%ec%8b%9c%ec%9e%a5-2021-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ed%81%ac%ea%b8%b0-%ea%b3%b5%ec%9c%a0-%eb%8f%99%ed%96%a5-%ec%9c%a0%ed%98%95-%ec%9d%91/ (port 80)