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  • bitdays.co.kr/2021/09/04/%ec%97%b0%ec%86%8c-%eb%b6%84%ec%84%9d%ea%b8%b0-%ec%8b%9c%ec%9e%a5-2021-%ec%a3%bc%ec%9a%94-%ec%84%a0%ec%88%98-%ec%8b%9c%ec%9e%a5-%ea%b2%bd%ec%9f%81-%ed%92%8d%ea%b2%bd-%eb%8f%99%ed%96%a5-%eb%b0%8f/ (port 80)