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  • bitdays.co.kr/2021/10/01/%ea%b8%80%eb%a1%9c%eb%b2%8c-n-%eb%a9%94%ed%8b%b8-%ed%83%80%ec%9a%b0%eb%a6%b0-%eb%82%98%ed%8a%b8%eb%a5%a8-%ec%97%bc-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-2021-%ea%b5%ad%eb%82%b4-%eb%b0%8f-%ec%84%b8/ (port 80)