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  • bitdays.co.kr/2021/05/05/%ea%b0%80%ec%9a%94-%ec%84%b1-%eb%b0%9c%ed%8f%ac%ec%b2%b4%ec%9d%98-%ed%8f%b4%eb%a6%ac-%ec%97%90%ed%85%8c%eb%a5%b4-%ed%8f%b4%eb%a6%ac%ec%98%ac-%ec%8b%9c%ec%9e%a5-2021-%ec%a4%91%ec%9a%94%ed%95%9c/ (port 80)