Asoneofthecoretechnologies（2020年下半年系统集成项目管理工程师上午综合知识真题解析）
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
参考答案： D
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