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  • bitdays.co.kr/2021/09/02/%ed%81%b4%eb%a6%b0-%eb%a3%b8-%ea%b3%b5%ea%b8%b0-%ed%95%84%ed%84%b0-%ec%8b%9c%ec%9e%a5-%ea%b7%9c%eb%aa%a8-2021-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ec%82%b0%ec%97%85-%ec%84%b1%ec%9e%a5-%ea%b0%9c%eb%b0%9c/ (port 80)