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  • bitdays.co.kr/2021/12/20/%ea%b8%88%ea%b3%a0-%ec%8b%9c%ec%9e%a5-%eb%b6%84%ec%84%9d-%ec%a3%bc%ec%9a%94-%ed%9a%8c%ec%82%ac-%ed%94%84%eb%a1%9c%ed%95%84-%ec%9c%a0%ed%98%95-%ec%9d%91%ec%9a%a9-%ed%94%84%eb%a1%9c%ea%b7%b8%eb%9e%a8/ (port 80)