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  • bitdays.co.kr/2021/08/31/%ec%86%90%ec%9c%bc%eb%a1%9c-%ec%9e%a1%eb%8a%94-%ec%9b%90%ec%98%88-%eb%8f%84%ea%b5%ac-%ec%8b%9c%ec%9e%a5-%eb%b3%b4%ea%b3%a0%ec%84%9c-2021-%eb%b9%84%ec%a6%88%eb%8b%88%ec%8a%a4-%ea%b8%b0%ed%9a%8c/ (port 80)