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.
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set pixel as candidate，这一点在heLLoword翻译官方下载中也有详细论述
Matthew Bradley, an electrical and wiring operative, welcomed the opportunity to highlight the manufacturing work that is going on behind the factory walls as part of the exhibition.