Krutika Adani
Why Fusaka Matters?
The Fusaka upgrade merges the Fulu consensus layer with the Osaka execution layer, boosting scalability, efficiency, and Layer 2 throughput.
What Devnet 5 Will Test?
🔹 Validator custody features
🔹 Distributed blob building
🔹 Data column sidecars
All designed to improve smart contract execution & data handling.
Mainnet target: November 2025
Devnet 5 success is crucial. Any setbacks could push the upgrade into 2026, reshaping Ethereum’s scaling roadmap.
What’s Next for Ethereum
Public testnet phase after Devnet 5
Fusaka prioritized over Glamsterdam upgrade
Developers racing to deliver before Devconnect November 2025