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  • bitdays.co.kr/2021/10/01/2021-%eb%85%84-%ea%b3%a0%ec%98%a8-%ec%bd%94%ed%8c%85-%ea%b0%9c%ec%9d%98-%ec%8b%9c%ec%9e%a5-%ea%b7%9c%eb%aa%a8-%ec%8b%a0%ea%b7%9c%eb%b3%b4%ea%b3%a0-%ec%b5%9c%ea%b3%a0-%ea%b5%ad%ea%b0%80%ec%9d%98/ (port 80)