Ethereum’s Last Big Upgrade: The zkEVM | Ansgar Dietrichs

2026-02-23

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Ethereum’s next big leap might not look like a single “flip the switch” moment—but it could change how the chain verifies everything. In this episode, Ansgar Dietrichs comes back to unpack the ZK EVM: why “re-executing every block” has been Ethereum’s hidden scaling tax, how real-time proofs finally make a different verification model viable, and what it would take to transition safely without sacrificing the verifiability that keeps Ethereum credibly neutral. They explore the three true bottlenecks of blockchain scaling (compute, IO, bandwidth), the roadmap from optional proo...

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TIMESTAMPS

0:00 Intro
0:43 Ethereum’s Biggest Upgrade
4:35 The Core Idea: Verify Blocks Without Re-Executing
10:40 From Bitcoin’s “Verify Cheaply” to Verifying Full Execution
16:22 Cryptography 2.0: Proving Arbitrary Computation
22:56 Scaling All 3 Constraints: Compute, IO, Bandwidth
32:33 Why Ethereum Has Been “Slow” by Design
38:29 3× Per Year: Scaling Now, Not Someday
41:28 ZK Isn’t About Faster Blocks (But Speed Still Improves)
46:33 Rollout Plan: Optional Proofs → Mandatory Proofs
49:59 Dependencies: Block-in-Blobs, Repricing, New State Trees
54:14 Security Reality Check: Performance → Security → Production
1:01:24 Client Diversity in a ZK World
1:10:51 Timeline: ZK Ethereum, Around 2030
1:16:31 Second-Order Wins: L2 Bridging and Beyond Crypto
1:20:49 Closing: Build the Boring Infrastructure, Enable the Apps

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