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  • bitdays.co.kr/2021/11/16/%ec%a0%84%ea%b8%b0-%eb%b8%8c%eb%a0%88%ec%9d%b4%ed%81%ac-%eb%b6%80%ec%8a%a4%ed%84%b0-%ec%8b%9c%ec%9e%a5-%eb%b3%b4%ea%b3%a0%ec%84%9c-2021-%eb%85%84-%ec%b5%9c%ea%b3%a0-%ea%b5%ad%ea%b0%80-%eb%8d%b0/ (port 80)