试题内容
（）is an open , distributed ledger that can record transactions between two parties efficiently and in a verifiable and permanent way.
A、Internet of things
B、Blockchain
C、Edge computing
D、Artificial intelligence
查看答案
A、Internet of things
B、Blockchain
C、Edge computing
D、Artificial intelligence
软题库参考答案：B（仅供参考）
软题库解析：正在加载....
