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

“Lean Ethereum” strawmap timeline from 2026 to 2029. supply: Strawmap.org
The roadmap change comes amid a collection of modifications on the Ethereum Basis, which final month laid off about 20% of its employees in an effort to slim down and lower its price range by 40%.
The slimmer group follows a number of govt departures in latest months, together with Xiaowei Wang and Tomasz Stanczak, in addition to protocol contributors Tim Beiko and Barnabé Monot, who additionally left their positions in Might.
Buterin can be driving the event of latest digital machines comparable to leanISA and RISC-V to assist programmable privateness and higher 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 simply too sluggish and mentioned AI might assist builders ship upgrades inside a yr.
Crypto analyst Ignas Fidlovas additionally agreed with the plan, however questioned the Ethereum Basis’s means to ship upgrades inside set deadlines, citing the inspiration’s previous failure to satisfy deadlines.
Fiodrovas mentioned the one vital function lacking from the roadmap is improved tokenomics for Ether (ETH), whose worth continues to fall amid a widespread market downturn.

