Ripple CTO David Schwartz Owes His Sister Over $100K in Bitcoin 2021/2/8 English I've owed my sister 2.77904 BTC for years now (she paid for a plane ticket for me and wanted me to pay her in bitcoin). I've reminded her a few times ... 情報元 - Ripple CTO David Schwartz Owes His Sister Over $100K in Bitcoin | Cryptoglobe