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  • bitdays.co.kr/2021/04/30/%ea%b1%b4%ea%b0%95-%ea%b4%80%eb%a6%ac-%ec%9a%b4%ec%98%81-%ec%86%8c%ed%94%84%ed%8a%b8%ec%9b%a8%ec%96%b4-%ec%8b%9c%ec%9e%a5%ec%9d%80-2021-%eb%af%b8%eb%9e%98-%ec%98%88%ec%b8%a1-2025-%eb%85%84%ea%b9%8c/ (port 80)