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  • bitdays.co.kr/2021/05/08/%ea%b8%80%eb%a1%9c%eb%b2%8c-%ec%8a%a4%ed%8f%ac%ec%b8%a0-%eb%b9%84%eb%94%94%ec%98%a4-%ec%b9%b4%eb%a9%94%eb%9d%bc-%ec%8b%9c%ec%9e%a5-%ec%a0%84%eb%a7%9d-2021-%eb%85%84-%ec%82%b0%ec%97%85-%eb%b6%84/ (port 80)