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  • bitdays.co.kr/2021/02/25/%ea%b8%80%eb%a1%9c%eb%b2%8c-%ed%98%84%eb%ac%b4%ec%95%94-%ec%97%b0%ec%86%8d-%ed%95%84%eb%9d%bc%eb%a9%98%ed%8a%b8-%ec%8b%9c%ec%9e%a5-2021-%ec%b5%9c%ea%b3%a0-%ec%a0%9c%ec%a1%b0-%ec%97%85%ec%b2%b4/ (port 80)