
ethrex
@ethrex_client
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A modular, Ethereum L1 & L2 execution client in Rust. Built by @class_lambda.
Joined July 2025
🚀 Stay in the loop! Follow @ethrex_client for updates on our modular Ethereum client for L1s and L2s. Build rollups. Run Ethereum. Make it simple. 🧑💻 Code: https://t.co/IBNZl7PUzb 💬 Telegram: https://t.co/7Mi6D3V6wS (3/3)
github.com
Minimalist, fast and modular implementation of the Ethereum protocol in Rust. L1 and L2 execution client. - lambdaclass/ethrex
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📊 Path based enables serious gains With our new path-based trie indexing, we reduced the database size during sync. This chart shows just 5 days of running Hoodi, showing a massive improvement in disk usage and stability. This drastically cuts down on sync time and keeps
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🦖 Ethrex Release – V4.0.0 Path based is here! This release changes our internal trie database to be path-based as opposed to hash-based. The result? ⚡️ Faster reads during execution 📉 ~15x reduction in DB daily size growth It also includes many performance upgrades and new
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Sepolia testnet is now running the Fusaka upgrade smoothly on the Ethrex client 🚀 We want to thank all the teams that have been working across the Ethereum ecosystem making this milestone possible. You can get a snapshot of how things are running in the following graph.
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Updated roadmap out 🚀
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New @ethrex_client release. Let's go Ethereum :D! L1 We continue to work on rewriting our full sync logic to featch blocks from new to old, which helps with dealing with reorgs. We have also added a few more reorg tests to make sure that we handle all reorg scenarios correctly.
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We released @ethrex_client v3.0.0. faster and smoother snap sync, lower memory usage, rocksdb as default, and jemalloc for better performance. Release notes and install docs:
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🚀 Stay in the loop! Follow @ethrex_client for updates on our modular Ethereum client for L1s and L2s. Build rollups. Run Ethereum. Make it simple. 🧑💻 Code: https://t.co/IBNZl7PUzb 💬 Telegram: https://t.co/7Mi6D3V6wS 5/5
github.com
Minimalist, fast and modular implementation of the Ethereum protocol in Rust. L1 and L2 execution client. - lambdaclass/ethrex
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🧠 Perf We introduced several small improvements to snap sync, reducing variable cloning and switching from a string+mutex combo to an atomic u8 for tracking sync stages. Ongoing work: Major snap sync optimization PR (almost ready). Debugging path-based indexing + healing.
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🌐 L1 We’re strengthening reorg logic. A recent fix handled tricky reorgs (within 1024 blocks) but caused a regression. We’re reintroducing it with full coverage for all scenarios. On the P2P side, we merged an improvement using our spawned library and the actor model to manage
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⚙️ L2 The PoC for the native token feature is complete. An L2 can now be launched with an ERC20 as its native token. We’re polishing the final details for the MVP. We’re also reviewing the gas pricing mechanism: Base fee is deposited in a fee vault address. Operator base fee is
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🦖 Dev Update – October 8, 2025 Here’s what’s new: L2 native token PoC Gas pricing revamp L1 reorg fixes Snap sync optimizations Details below 👇 1/5
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As we're seeing now, L2 stacks face a fundamental problem: they have tokens. Once those tokens vest, the engineers and business development teams often lose the incentive to continue supporting the project. This is already happening with several L2 stacks and is likely to happen
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i love korea, their vibrant and unique culture really resonates with me. out of all of asia, it’s the culture i feel most connected to. i’m sad i couldn’t make the trip. we have so many friends there, and we’ve also made two significant investments in local companies. i’m really
Korea was an incredible, inspiring experience for our team at KBW 2025 We: > Bonded with the AMAZING Korean community > Received over 1000 entries for our ZK Arcade NFT whitelist raffle > Had booths at @hack_vc 's Hacksummit and @kbwofficial > Gave talks & participated in
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We shipped a new release of @ethrex_client with all the updates we’ve been sharing here. Snap sync is now working smoothly across all networks, RocksDB as default and we lowered memory usage. With the new PRs it should be using around 16GB of RAM. The biggest problem of the
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🚀 Stay in the loop! Follow @ethrex_client for updates on our modular Ethereum client for L1s and L2s. Build rollups. Run Ethereum. Make it simple. 🧑💻 Code: https://t.co/IBNZl7QsoJ 💬 Telegram: https://t.co/7Mi6D3VEmq 5/5
github.com
Minimalist, fast and modular implementation of the Ethereum protocol in Rust. L1 and L2 execution client. - lambdaclass/ethrex
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⚡️ Perf LEVM just got faster. We removed Result checks in opcode handlers and used a single mutable error cell. That test gave us a 15% boost in push/pop-heavy benchmarks, enough to warrant a clean rewrite. Snap sync + healing + path indexing are being tuned together. Key wins
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🔗 L2 Uniswap V3 is live on ethrex L2. The last PR is under review, including WETH9, scripts, and a full deployment guide. We’ll drop a demo soon. Custom native token support is also in review. ETH-native flows work, and price conversions for alt-token rollups are next. We’re
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🌐 L1 Fusaka support is finished! We implemented both getBlobsV2 and getNewPayloadV5. We’re now passing all EEST spec tests and added the execute-blobs test suite too. ➡️ Next up: Syncing the Fusaka devnets. Testing against the Holesky fork. Getting ready for the Hoodi fork
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