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  • bitdays.co.kr/2021/05/17/%ea%b8%80%eb%a1%9c%eb%b2%8c-%eb%a6%ac%ec%84%9c%ec%b9%98-%eb%b3%b4%ea%b3%a0%ec%84%9c%ec%97%90-%ec%82%b0%ec%97%85-%ec%83%8c%eb%93%9c-%eb%b8%94%eb%9d%bc%ec%8a%a4%ed%8a%b8-%ea%b8%b0%ea%b3%84-%ec%8b%9c/ (port 80)