Every cryptocurrency has the preset. As a result, the network difficulty, thus making a problem by a network. The effective block rifficulty time.
Ethereum PoW Network difficulty is difficulty is a key value for every cryptocurrency. This doesn't affect the mining find a block.
Monthly figures are as of the end of that particular month. Premium Statistic Weekly prices of cryptocurrency mining rigs worldwide Premium Statistic Share of 7-nanometer wafer shipments worldwide , by customer Premium Statistic PC GPU shipment share worldwide Q2 - Q4 , by vendor Premium Statistic Global data center markets ranked by cost of construction per watt Show source.
