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  • bitdays.co.kr/2021/05/20/%ea%b3%a0%ec%86%8d-%eb%8d%b0%ec%9d%b4%ed%84%b0-%ec%a0%84%ec%86%a1-hsdt-%ec%86%94%eb%a3%a8%ec%85%98-%ec%8b%9c%ec%9e%a5-%eb%b3%b4%ea%b3%a0%ec%84%9c%eb%8a%94-%ec%84%b8%ea%b3%84-%ec%b5%9c%ea%b3%a0/ (port 80)