As with crypto-currency, records of who owns what are stored on a ledger that is maintained by thousands of computers around the world. These records can’t be forged because the whole system operates on an open-source network.
但同時美國人口也達到歷史最高，超過3.42億。
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「迪士尼 × F1」宣布推出多款联名产品
Throughout their mission there have always been spacecraft attached to the space station to get them - and the rest of those onboard - home if there was an emergency.
Никита Абрамов (Редактор отдела «Россия»)