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  • bitdays.co.kr/2021/07/24/%ec%84%b8%ea%b3%84-%eb%aa%a8%eb%93%a0-%ec%97%90-%ed%95%98%eb%82%98%ec%9d%98-%ec%9d%98%eb%a3%8c-%ed%8c%a8%eb%84%90-pc-%ec%8b%9c%ec%9e%a5-2021-2025-%eb%85%84-%ec%b5%9c%ea%b3%a0-%ea%b5%ad%ea%b0%80/ (port 80)