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  • bitdays.co.kr/2021/05/18/%ed%81%b4%eb%a6%b0-%eb%a3%b8-%ec%97%90%ec%96%b4-%ed%95%84%ed%84%b0-%ec%8b%9c%ec%9e%a5-2021-%ed%81%ac%ea%b8%b0-%ec%84%b1%ec%9e%a5-%ea%b3%b5%ec%9c%a0-%eb%af%b8%eb%9e%98-%eb%8f%99%ed%96%a5-%ea%b0%80/ (port 80)