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  • bitdays.co.kr/2021/05/14/%ec%95%a1%ed%8b%b0%eb%b8%8c-%ec%a0%81%ec%99%b8%ec%84%a0-%ec%84%bc%ec%84%9c-%ec%8b%9c%ec%9e%a5-%ec%a0%90%ec%9c%a0%ec%9c%a8-%ea%b0%92-%ed%81%ac%ea%b8%b0-%ed%99%95%ec%9e%a5-%ec%a0%84%eb%9e%b5-2026/ (port 80)