Ethereum, the 2nd top cryptocurrency by market capitalization is turning centralized with just two of the Ethereum mining pools: Ethermine and SparkPool controlling more than 52% of the total network hashrate.
Ethermine controls around 28% of the total network hash rate while SparkPool controls more than 24% of the total hash rate. Apart from these NanoPool, F2Pool and MiningPoolHub control around 13.5%, 11% and 6% of the network hash rate simultaneously. Apart from the major mining pools just around 17% of the Ethereum network hash rate is controlled by others.
Bitcoin is way more decentralized In comparison to Bitcoin Cash and Ethereum as the top two mining pools of bitcoin: BTC.com and Antpool control just around 29% of the total network hashrate.