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  • bitdays.co.kr/2021/02/24/2021-%eb%85%84-%ea%b4%91%ed%95%99-%eb%a0%8c%ec%a6%88-%ec%97%90%ec%a0%80-%ec%8b%9c%ec%9e%a5-%ea%b7%9c%eb%aa%a8-%ec%83%88-%eb%b3%b4%ea%b3%a0%ec%84%9c-2025%ec%97%90%ec%84%9c-2021-%ec%82%ac%ec%9d%b4/ (port 80)