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  • bitdays.co.kr/2021/02/24/2026%ec%97%90-%ec%98%88%ec%b8%a1-%ea%b8%80%eb%a1%9c%eb%b2%8c-%ed%8f%90%ec%87%84-%ed%98%95-%ec%8b%9c%ec%8a%a4%ed%85%9c%ec%9d%98-%ec%a0%84%ec%86%a1-%ec%9e%a5%ec%b9%98-cstd-%ec%8b%9c%ec%9e%a5-%eb%b6%84/ (port 80)