The two biggest changes of Ethereum are that it adopts the structure of "beacon chain+fragment chain", and the other is that the knowledge mechanism of * * * has changed from PoW to PoS. According to V God, after implementing PoS *** knowledge algorithm, Ethereum will be safer than Bitcoin and the attack cost will be higher.

Yitaifang mining consumption:

Due to the large power consumption, the layout of large-scale industrialized "mining" projects is mainly hydropower and thermal power, mainly concentrated in the central and western regions such as Inner Mongolia, Xinjiang, Sichuan and Yunnan. In order to absorb surplus power, promote local tax revenue and economic development, some places attract investment in the name of building data centers, so that "mining" projects can be carried out quickly.