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  • bitdays.co.kr/2021/02/25/%ec%8b%a0%ec%84%a0%ed%95%98%ea%b3%a0-%ec%9e%90%ec%97%b0-%eb%b0%9c%ed%9a%a8-%ec%9e%90%ec%9e%91-%eb%82%98%eb%ac%b4-%ec%a3%bc%ec%8a%a4-%ed%8c%90%eb%a7%a4-%ec%8b%9c%ec%9e%a5-%ed%81%ac%ea%b8%b0-2026/ (port 80)