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  • bitdays.co.kr/2021/04/09/%ea%b7%bc%ed%95%b4-%eb%93%9c%eb%a6%b4%eb%a7%81-%eb%a6%ac%ea%b7%b8-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-%eb%b6%84%ec%84%9d-%ec%b5%9c%ea%b3%a0-%ea%b5%ad%ea%b0%80-%ec%8b%ac%ec%b8%b5-%ec%97%b0%ea%b5%ac/ (port 80)