The Bitcoin Mining Council (BMC) announced the findings of its fourth quarter survey on Jan. 18.
The survey focused on three metrics: sustainable power mix, technological efficiency and electricity consumption.
比特币开采委员会（BMC）于1月18日公布了第四季度调查结果。
调查集中在三个指标上：可持续电力结构、技术效率和电力消耗。