Ethereum co-founder Vitalik Buterin has named quantum resistance, scalability and privacy as three of Ethereum’s top priorities under a new “Lean Ethereum” strawmap, which lays out the network’s technical direction for the remainder of the decade.
In a post to X on Saturday, Buterin said the collection of upgrades will roll out over the next three to four years, touching nearly every layer of Ethereum in a transformation he compared in scale to the September 2022 Merge, which shifted the network away from energy-intensive mining.
The change in roadmap comes amid a series of changes at the Ethereum Foundation, which laid off roughly 20% of its staff last month in a bid to become leaner and reduce its budget by 40%.
Buterin is also pushing for the development of a new virtual machine like leanISA or RISC-V to support programmable privacy and better scalability.
Two weeks ago, Ethereum researchers met in Berlin to continue charting the protocol’s long-term trajectory, following along discussions with client teams in Svalbard in April.
The updated strawmap is at https://t.co/HZEerH1xxI, and I attached a picture of it to this post.
My… pic.twitter.com/KPGayHSySf
— vitalik.eth (@VitalikButerin) July 4, 2026
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