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This week\u2019s major Ethereum upgrade, Shapella (it was really two upgrades, Shanghai and Capella, in one), brings the network\u2019s multi-year journey to proof-of-stake to a close. With validator withdrawals now live, the Ethereum Foundation\u2019s Tim Beiko explains Shapella\u2019s significance, why EIP-4844 is the next big thing, and what else is on Ethereum\u2019s roadmap.\n\nShow highlights:\n\nhow Ethereum transitioned from a proof-of-work consensus mechanism to proof-of-stake\n\nwhat the concerns about enabling withdrawals among developers were\xa0\n\nwhy the upgrade has \u201cde-risked\u201d staking on Ethereum\n\nwhether there are going to be more solo stakers now that The Merge is fully completed\n\nwhat\u2019s next in the roadmap of Ethereum and how EIP-4844 will decrease the cost of posting data for Layer 2s\n\nwhat \u201cproposer-builder separation\u201d is and what it intends to solve\n\nThank you to our sponsors!\nCrypto.com\nRailgun DAO\xa0\nGuest\nTim Beiko, head of the Ethereum protocol developer calls\xa0\nPrevious appearances on Unchained: Why Ethereum's Merge Was Delayed and Why It Won't Reduce Gas Fees Much\n\nPrevious coverage of Unchained on the upgrade:\nEthereum's Shapella Upgrade - What to Expect?\nHow Will ETH React to Ethereum\u2019s Shanghai Upgrade?\nLinks\n\n\nUnchained: Staked Ethereum Withdrawals Enabled As Shanghai Upgrade Goes Live\n\n\nNansen: The Shanghai Upgrade Dashboard\n\n\nCoinDesk: What\u2019s Next After the Ethereum Shanghai Upgrade Known as Shapella\n\n\n\nLearn more about your ad choices. Visit megaphone.fm/adchoices