（新华社北京2月25日电 记者朱基钗、胡浩、丁小溪、高蕾、胡梦雪）
processAll(tasks)
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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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