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ethlambda

@ethlambda_lean

Minimalist, fast and modular implementation of the Lean Ethereum client written in Rust. Built by @class_lambda
github.com/lambdaclass/et… Joined January 2026
4 Following 366 Followers 221 Posts

Latest posts 5

ethlambda @ethlambda_lean
Excited to announce that ethlambda now processes blocks in 75 ms on average (down from 220 ms)! 📷

Biggest win came from adding a public key cache. We no longer deserialize validator pubkeys during block processing, and we reuse the total active balance from cache.
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ethlambda @ethlambda_lean
Ethlambda is in the house 🪷🇮🇳
Be one of the first to try our new consensus client.

Reach us out at @EFDevcon , DM us so we meet
ethrex Verified account @ethrex_client 5d
We are at @EFDevcon!

We’d love to meet stakers looking to diversify their stack with ethrex, one of Ethereum’s fastest execution clients, built in Rust.

Come chat about running ethrex in your setup. DM us to meet up!
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ethlambda @ethlambda_lean
ethlambda v1.0.0 is here! We now support the beacon chain through Gloas and run on mainnet and testnets, with a smooth Glamsterdam transition on Sepolia behind us.

Proud to bring more client diversity to Ethereum as we keep building toward its post-quantum future.
LambdaClass Verified account @class_lambda Oct 30
ethlambda v1.0.0 is here!

Our Lean Ethereum consensus client now has full beacon chain support, including Gloas.

We're running it on mainnet, Sepolia, Hoodi, and Platåberget. Our Sepolia validators successfully transitioned to Glamsterdam without a single issue.

Built in Rust, ethlambda brings together what we've learned from Lean Ethereum devnets and years of developing ethrex. With @ethrex_client on execution and @ethlambda_lean on consensus, we're contributing to client diversity across both layers of Ethereum.

Next, we're pushing performance further, participating in Hegotá interoperability devnets, and working to bring post-quantum cryptography to the beacon chain.

Explore ethlambda and what we're building next in the full announcement: blog.lambdaclass.com/ethlambda-a-be…
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ethlambda @ethlambda_lean
Interested in Lean Ethereum? Join @lean_knack and @ivanlitteri at @EFDevcon for their talk, “Getting to Lean Ethereum”: cfp.devcon.org/devcon8/talk/D…

If you’re attending and want to connect with the team, DM us to arrange a meetup.
cfp.devcon.org Getting to Lean Ethereum Devcon 8 Lean Ethereum is usually described as a destination: a tech-debt reset, post-quantum cryptography, and a ZK-proven state transition function. Much less has been said about how the network gets there...
LambdaClass Verified account @class_lambda Oct 29
We’re heading to @EFDevcon.

@lean_knack and @ivanlitteri will be speaking about Lean Ethereum:
cfp.devcon.org/devcon8/talk/D…

We’re working across Ethereum execution, consensus, and proving, and want to hear what other teams are building in these areas.

If you’re attending and want to meet, DM us to coordinate.
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