This week’s major Ethereum upgrade, Shapella (it was really two upgrades, Shanghai and Capella, in one), brings the network’s multi-year journey to proof-of-stake to a close. With validator withdrawals now live, the Ethereum Foundation’s Tim Beiko explains Shapella’s significance, why EIP-4844 is the next big thing, and what else is on Ethereum’s roadmap.Show highlights: how Ethereum transitioned from a proof-of-work consensus mechanism to proof-of-stake what the concerns about enabling withdrawals among developers were  why the upgrade has “de-risked” staking on Ethereum whether there are going to be more solo stakers now that The Merge is fully completed what’s next in the roadmap of Ethereum and how EIP-4844 will decrease the cost of posting data for Layer 2s what “proposer-builder separation” is and what it intends to solve Thank you to our sponsors!Crypto.comRailgun DAO GuestTim Beiko, head of the Ethereum protocol developer calls Previous appearances on Unchained: Why Ethereum's Merge Was Delayed and Why It Won't Reduce Gas Fees Much Previous coverage of Unchained on the upgrade:Ethereum's Shapella Upgrade - What to Expect?How Will ETH React to Ethereum’s Shanghai Upgrade?Links Unchained: Staked Ethereum Withdrawals Enabled As Shanghai Upgrade Goes Live Nansen: The Shanghai Upgrade Dashboard CoinDesk: What’s Next After the Ethereum Shanghai Upgrade Known as Shapella Learn more about your ad choices. Visit megaphone.fm/adchoices