暗号資産(仮想通貨)って何? #short https://kabukore.jp/%e6%9a%97%e5%8f%b7%e8%b3%87%e7%94%a3%ef%bc%88%e4%bb%ae%e6%83%b3%e9%80%9a%e8%b2%a8%ef%bc%89%e3%81%a3%e3%81%a6%e4%bd%95%ef%bc%9f-short/