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  • bitdays.co.kr/2021/07/29/%ec%95%8c%eb%a3%a8%eb%af%b8%eb%8a%84%ec%97%86%eb%8a%94-%ec%9d%8c%ec%8b%9d-%ec%a3%bc%eb%a8%b8%eb%8b%88-%ec%8b%9c%ec%9e%a5-%eb%b3%b4%ea%b3%a0%ec%84%9c-2021-%ec%a0%90%ec%9c%a0%ec%9c%a8-%ea%b7%9c/ (port 80)