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  • bitdays.co.kr/2021/07/16/%ed%92%8d%eb%a0%a5-%ed%83%9c%ec%96%91%ec%97%b4-%ed%95%98%ec%9d%b4%eb%b8%8c%eb%a6%ac%eb%93%9c-%ec%8b%9c%ec%8a%a4%ed%85%9c-%ec%8b%9c%ec%9e%a5-2021-%ea%b8%b0%ec%88%a0-%eb%af%b8%eb%9e%98-%eb%8f%99/ (port 80)