( )is an open, distributed ledger that can recordtransactions between two parties efficiently and in a verifiable and permanent way.

A、lnternet of things

B、Blockchain

C、Edge computing

D、Artificial intelligence

参考答案:B

()是一个开放的、分布式的分类账,可以有效地以可验证和永久的方式,记录双方之间的交易。

A、物联网      B、区块链      C、边缘计算       D、人工智能