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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However, Ben Barringer, head of technology research at Quilter Cheviot, says any increased costs would be limited by the rate charged by Netflix, which he calls the "price-setter in the market".
Wrap's senior specialist for food waste, Rosemary Brotchie, said the change would help "maximise the value that food can have".，更多细节参见51吃瓜