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  • bitdays.co.kr/2021/06/06/%eb%b4%89%ec%9d%84-%ec%9e%a1%eb%8b%a4-%ec%8b%9c%ec%9e%a5-%eb%8f%99%ed%96%a5%ea%b3%bc-%ed%95%a8%ea%bb%98-%ec%b5%9c%ea%b3%a0-%ea%b5%ad%ea%b0%80-%eb%8d%b0%ec%9d%b4%ed%84%b0-2021-%ec%82%b0%ec%97%85/ (port 80)