（ ）is a decentralized database,ensure that the data will not be tampered with and forged.
- A.Artificial intelligence
- B.Blockchain
- C.Sensing technology
- D.Big datA
正确答案及解析
正确答案
解析
（区块链）是一个分散的数据库，确保数据不会被篡改和伪造。
注意：此题为超纲题，除了老师上课补充的，平时还要多关注一些科技新闻、时事政治等。
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