软题库 培训课程
试卷年份2020年下半年
试题题型【单选题】
试题内容

As one of the core technologies of block chains, () refers to the fact that transaction accounting is performed by multiple nodes distributed in different places, and each node records a complete account, so they can participate in the supervision of transaction legitimacy and testify for it together.
A. intelligent contract
B. consensus mechanism
C. asymmetric encryption technology
D. distributed accounts

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