Ethereum’s Latest Progress Toward Proof-of-Stake — CoinDesk

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Unfortunately, getting rid of miners does not get rid of MEV, and users of the proof-of-stake network will still be subject to the whims of transaction ordering by those looking to extract value from liquidations, frontrunning and arbitrage. Eth1 clients will still be responsible for the creation of blocks, much like they are today. Therefore, the transaction ordering process will take place the same way, before the blocks are passed to Eth2 clients to finalize the bundled transactions.