There were many blockchains come into the market but Ethereum is not beatable yet and no killer of Ethereum blockchain is not looking, BSC chain and other chain was popular due to low fees but most of them are not manage their blockchain SOLANA was halted two time and ADA blockchain also not showing growth, some users using other blockchains due to low fees if Ethereum will reduce the fees then users will not use other blockchains and will use Ethereum blockchain.