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  • bitdays.co.kr/2021/04/21/%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%9d%98%eb%a3%8c%ec%9a%a9-%ed%95%b5-%ec%98%81%ec%83%81-%ec%8b%9c%ec%8a%a4%ed%85%9c-%ec%8b%9c%ec%9e%a5/ (port 80)