（ ）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
（ ）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
（）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
