()is a decentralized, distributed and public digital ledger that is used to record transactions across many computers so that the record cannot be alterred retroactively without the alteration of all subsequent blocks and the collusion of the network.
- A.Cloud service
- B.Blockchain
- C.Internet of things
- D.Artificial intellingence
正确答案及解析
正确答案
B
解析
(区块链)是一个分散的,分布式的公共数字分类帐,用于记录多台计算机之间的交易,以便记录不会被追溯更改,而不会改变所有后续的分块和网络合谋。
A、云服务
B、区块链
C、物联网
D、人工智能





