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  • bitdays.co.kr/2021/08/31/%ed%86%b5%ed%95%a9-%eb%b8%8c%eb%a6%ac%ec%a7%80-%ec%8b%9c%ec%8a%a4%ed%85%9c-ibs-%ec%8b%9c%ec%9e%a5-2021-%ec%8b%a0%ed%9d%a5-%ec%8b%9c%ec%9e%a5-%ed%95%99%ec%8a%b5-%ec%9a%b4%ec%a0%84%ec%9e%90/ (port 80)