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  • bitdays.co.kr/2021/04/09/%ea%b0%80%ec%a0%95%ec%9a%a9-%eb%a7%a5%ec%a3%bc-%ec%96%91%ec%a1%b0-%ea%b8%b0%ea%b3%84-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-%ea%b3%b5%ec%9c%a0-2021-%ec%b5%9c%ea%b3%a0-%ec%84%a0%eb%8f%84-%ea%b5%ad/ (port 80)