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

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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

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