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  • bitdays.co.kr/2021/05/19/%ed%9e%99-%ec%8b%9c%ed%8a%b8%ec%99%80-%ec%95%84%ea%b8%b0-%ec%ba%90%eb%a6%ac%ec%96%b4-%ec%8b%9c%ec%9e%a5-2021-%ec%82%b0%ec%97%85-%ec%97%b0%ea%b5%ac-%ea%b3%b5%ec%9c%a0-%ed%8a%b8%eb%a0%8c%eb%93%9c/ (port 80)