Ethereum co-founder Vitalik Buterin has listed quantum resilience, scalability, and privateness as three of Ethereum’s prime priorities beneath a brand new “Lean Ethereum” straw map that units out the community’s technological course for the remainder of the last decade.
In a submit on X on Saturday, Buterin mentioned the collection of upgrades will likely be rolled out over the subsequent three to 4 years and can impression practically each layer of Ethereum, in a metamorphosis comparable in scale to the September 2022 merge that moved the community away from energy-intensive mining.
“Quantum security has turn out to be a a lot increased precedence,” he mentioned, including that perfecting the Blob’s quantum-safe resolution “has turn out to be extra pressing.” Buterin mentioned enhancing privateness was additionally a precedence, making it a “first-class purpose.”

“Lean Ethereum” strawmap timeline from 2026 to 2029. supply: strawmap.org
The roadmap change comes amid a collection of adjustments on the Ethereum Basis, which final month laid off about 20% of its workers in an effort to slim down and reduce its finances by 40%.
The slimmer group follows a number of govt departures in current months, together with Xiaowei Wang and Tomasz Stanczak, in addition to protocol contributors Tim Beiko and Barnabé Monot, who additionally left their positions in Could.
Buterin can also be driving the event of recent digital machines akin to leanISA and RISC-V to assist programmable privateness and better scalability.
Questions stay about Buterin’s timeline
Danclad Feist, a researcher at Layer 1 Tempo blockchain targeted on funds, praised the brand new plan however argued that the three- to four-year timeline is just too gradual and mentioned AI might assist builders ship upgrades inside a 12 months.
Crypto analyst Ignas Fidlovas additionally agreed with the plan, however questioned the Ethereum Basis’s capability to ship upgrades inside set deadlines, citing the muse’s previous failure to satisfy deadlines.
Fiodrovas mentioned the one vital characteristic lacking from the roadmap is improved tokenomics for Ether (ETH), whose value continues to fall amid a widespread market downturn.
