The countdown for Fusaka improve on Ethereum mainnet is in earnest as Ethereum builders introduced the date for a last rehearsal on the Hoodi testnet.
On the All Core Devs Consensus (ACDC) held Oct. 16, Ethereum builders indicated that Fusaka could be coming to the Hoodi testnet on Oct. 28.
Launched earlier this yr, Hoodi is meant to extra intently mirror Ethereum’s mainnet, with the Fusaka launch on it anticipated to be a close to reproduction of how the improve will carry out as soon as it goes reside.
All Core Devs – Consensus (ACDC) #167
🦓 Fusaka improve: 📅 mainnet proposed for Dec 3 (not set but); ✅ audit contest;✅ Holešky testnet BPO2 (14/21 blobs); ✅ Sepolia testnet (L2s stunned by blob to cell proofs change); 📅 Hoodi testnet Oct 28
💫 Glamsterdam improve: ePBS… pic.twitter.com/bvNoNvQcnH
— abcoathup.eth 🐡 🛡️🦇🔊 (@abcoathup) October 17, 2025
This week, Ethereum builders launched a profitable take a look at of the upcoming Fusaka improve on the Sepolia community, marking one other step towards the improve’s mainnet rollout. This comes after a profitable rollout on the Holesky testnet two weeks in the past.
A profitable launch of Fusaka on the Hoodi testnet on Oct. 28 would enable builders to set a particular date to activate the improve on Ethereum’s mainnet, with a tentative date of Dec. 3 recommended by builders on the final concluded ACDC assembly.
Fusaka improve
The Fusaka improve comes just a few months after Ethereum’s main Pectra improve and is geared toward reducing prices for establishments utilizing the Ethereum community.
In a current tweet, Kevin O’Leary identified that because the markets crashed over the weekend, Ethereum acquired congested and charges skyrocketed previous $1,000 simply to course of small transactions. “That’s like paying a thousand-dollar toll to drive on a one-lane freeway,” he added.
Fusaka introduces PeerDAS, an information verification methodology that permits validators to course of solely parts of information (“blobs”), decreasing bandwidth necessities and slashing prices for institutional customers and layer-2 networks.

