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. 【转自信管网(cnitpm.com)】

A. intelligent contract

B. consensus mechanism

C. asymmetric encryption technology

D. distributed accounts

信管网参考答案：D

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