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  • bitdays.co.kr/2021/07/22/%ec%b5%9c%ea%b3%a0-%ea%b5%ad%ea%b0%80-%eb%8d%b0%ec%9d%b4%ed%84%b0-%ea%b3%b5%ec%9c%a0-%ed%81%ac%ea%b8%b0-%eb%af%b8%eb%9e%98%ec%9d%98-%ec%88%98%ec%9a%94-%ec%97%b0%ea%b5%ac-%ec%b5%9c%ea%b3%a0-17/ (port 80)