Even if you hear a story about someone making big profit from virtual currency, it is not reproducible since it is mostly about luck.
He is smart and comes from a good family, so this is not reproducible.
ご質問ありがとうございます。
① "Even if you hear a story about someone making big profit from virtual currency,"＝「仮想通過で誰かが大儲けしたという話を聞いても」
"it is not reproducible since it is mostly about luck."＝「それはほとんど運によるから、再現性がない。」
② "He is smart and comes from a good family,"＝「彼は賢くて、良い家庭の子供だ」
"so this is not reproducible."＝「だからこれには再現性がない。」
ご参考に。
アメリカ合衆国 
