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  • bitdays.co.kr/2021/07/22/%ec%b9%b4%eb%a9%94%eb%9d%bc-%ec%95%88%ec%a0%95%ed%99%94-%eb%a7%88%ec%9a%b4%ed%8a%b8-%ec%8b%9c%ec%9e%a5-%ea%b7%9c%eb%aa%a8-2021-%ec%88%98%ec%9a%94-%ec%84%b1%ec%9e%a5-%eb%8f%99%ec%9d%b8-%ea%b2%bd/ (port 80)