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.com Railgun DAO  Guest Tim 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