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  • bitdays.co.kr/2021/06/04/%ed%83%80%ec%82%ac-%eb%ac%bc%eb%a5%98-%ec%8b%9c%ec%9e%a5-2021-%ed%88%ac%ec%9e%90-%ea%b8%b0%ed%9a%8c-%eb%b6%84%ec%84%9d-%eb%b0%8f-%ec%82%b0%ec%97%85-%ea%b3%b5%ec%9c%a0-%ec%98%88%ec%b8%a1-2025/ (port 80)