Leading researchers and developers of Ethereum welcomed the updated Lean Ethereum roadmap shared by co-founder Vitalik Buterin, though they agreed that the greatest challenge will not be defining what to build, but how fast to get there.
The document proposes deep changes across nearly all of the network’s core components: greater speed, lower operational costs, enhanced privacy and resistance to quantum computers. The overall direction reached a consensus among ecosystem leaders, but the proposed three-to-four-year timeline drew criticism.
My take on the new roadmap for Ethereum:
TL;DR – many good things, a few unclear things, still a few problems.
The good:
– Recursive STARKs – excellent. Huge progress since the days where most of the Ethereum ecosystem was skeptical about the immense value of STARKs. This and… https://t.co/w8orL5eYWD— Eli Ben-Sasson | Starknet.io (@EliBenSasson) July 5, 2026
Eli Ben-Sasson, co-founder of StarkWare, praised the inclusion of recursive STARKs as a central technical pillar and described the prioritization of quantum security as “excellent“. However, he was blunt about the timeline: “Three or four years is too long, especially for quantum readiness,” he wrote.
The Ethereum strawmap has lots of REALLY COOL features. Fully proven STF and scaling to Gigagas with finality in seconds gets me excited!
But 3-4 years is very slow. I think we should be ambitious and get it done in ~1 year. I think this is realistically possible now with LLMs. https://t.co/w1TW9RIiWw
— Dankrad Feist (@dankrad) July 4, 2026
Former Ethereum Foundation researcher Dankrad Feist shared that view. He described the roadmap as “really interesting” and argued the goal should be achieved in roughly one year, suggesting that recent advances in artificial intelligence tools could accelerate its development.
Comparing this updated strawmap with the original released four months ago in February.
Some observations about the orange lane:
– Quick slots pushed back from Hegota to J*, and further slot time reductions from K* to L*.
– Decoupled consensus now slotted in for I*, this is very… https://t.co/pH3SGkqQPz pic.twitter.com/7k29tlmCtS— Barnabé Monnot | barnabé.eth (@barnabemonnot) July 5, 2026
Ethereum Foundation researcher Barnabé Monnot analyzed the changes relative to the previous version and identified that some improvements aimed at speeding up block production were pushed back, while modifications to the consensus system moved forward in the schedule. He also noted the removal of several proposed features, adjustments that, he indicated, could favor faster transaction finality and greater censorship resistance.
The debate within the Ethereum community shows there is broad agreement on the direction, but strong demand for a more agile execution.
Source:
- https://x.com/EliBenSasson/status/2073763363419558042
- https://x.com/dankrad/status/2073532475431887354
- https://x.com/barnabemonnot/status/2073708226701328474
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