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  • bitdays.co.kr/2021/06/06/%ec%84%9c%eb%b9%84%ec%8a%a4%eb%a1%9c-%ec%a0%95%eb%b3%b4-%ea%b8%b0%ec%88%a0-it-%eb%b3%b4%ec%95%88-%ec%8b%9c%ec%9e%a5-%ea%b2%bd%ec%9f%81-%ed%86%b5%ec%b0%b0%eb%a0%a5-%ec%88%98%ec%9a%94-%eb%b0%8f-2025/ (port 80)