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试卷年份2021年上半年
试题题型【单选题】
试题内容

()is the underlying architecture of Bitcoin , and it is used for other cryptocurrencies, because it provides a verifiable list of ownership, it is also used for contracts , fundraising and the recording of legal documents . The incentive is undeniable proof of digital authenticity.
A、Internet of things
B、Big data
C、Blockchain
D、Artificial intelligence

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