Bitcoin's award for this small miner is often unpredictable due to the limit of block size and these networks of ethereum are better for delivering than Bitcoin.
Cornell University Researcher's Release Blockchain Study
Two-year longitudinal studies have claimed that bitcoin has been planted in small amounts and that it has concluded that both of these most popular cryptocurrency blocks do not block its Bitcoins and ethereum was thought to be decentralized once And have been using Cornell University researcher Falcon Relay Network.
Source - https://news.bitcoin.com/cornell-researchers-bitcoin-not-as-decentralized-as-assumed/