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Ethereum's Justin Drake Unveils ‘Lean’ Roadmap to Fend Off Quantum Threats
The new framework is aimed at simplifying the protocol’s design while preparing it for the security risks posed by future quantum computers.
Updated Aug 1, 2025, 1:38 p.m. Published Jul 31, 2025, 7:40 p.m.
What to know:
- Ethereum Foundation researcher Justin Drake has introduced a new framework for the network's long-term development called Lean Ethereum, aimed at simplifying the protocol’s design while preparing it for the security risks posed by future quantum computers.
- The roadmap, published Thursday on the Ethereum Foundation blog, highlights a renewed emphasis on simplicity, security, and efficiency at the base layer of the network.
Ethereum Foundation researcher Justin Drake has introduced a new framework for the network's long-term development called Lean Ethereum, aimed at simplifying the protocol’s design while preparing it for the security risks posed by future quantum computers.
The roadmap, published Thursday on the Ethereum Foundation blog, highlights a renewed emphasis on simplicity, security, and efficiency at the base layer of the network.
STORY CONTINUES BELOW
Lean Ethereum advocates for a streamlined approach to how Ethereum validates transactions, stores data, and secures itself, reducing complexity in favor of minimalism.
The goal, according to Drake, is to make Ethereum’s core protocol easier to maintain and ultimately more robust over time.
Security is a major driver behind the proposal. Drake stresses the need to proactively defend against quantum computing threats, which could eventually break today’s widely used cryptographic tools. Lean Ethereum outlines a transition toward post-quantum signature schemes, laying the groundwork for Ethereum to remain secure even in the face of those emerging technologies.
“We stand at the dawn of a new era. Millions of TPS. Quantum adversaries. How does Ethereum marry extreme performance with uncompromising security and decentralization?” Drake wrote.
Read more: Top Ethereum Researcher's Dramatic Proposal Draws Standing-Room-Only Crowd in Bangkok
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