Proposed Ethereum Improvement Aims for 1 Million Transactions per Second, Introduces Zero-Knowledge Virtual Machines, and Emphasizes Post-Quantum Security
Lean Ethereum Revolutionizes Blockchain with zkVMs
In the world of blockchain technology, a significant development is underway. Lean Ethereum, a groundbreaking project spearheaded by Cysic_xyz, is revolutionizing the industry by focusing on the hardware development of Zero-Knowledge Virtual Machines (zkVMs) [1].
Lean Ethereum is built upon a unique foundation: virtual machines known as zkVMs. These virtual machines are designed to enhance compatibility with scalable Decentralized Finance (DeFi), Decentralized Autonomous Organizations (DAOs), and Non-Fungible Tokens (NFTs) [2].
The initiative was officially announced on July 30, 2025, marking a new chapter in Ethereum's evolution. The tenth birthday message of Ethereum signalled a shift towards lightweight protocols and modular design [5]. This new vision encourages software and hardware developers worldwide to contribute to the Ethereum ecosystem [6].
One of the key advantages of Lean Ethereum is its support for real-time Zero-Knowledge Proof (ZKP) generation, made possible by the FPGA-based machines developed by Cysic_xyz [3]. This feature allows for immediate privacy and computation proofs, enhancing the network's security and efficiency.
Lean Ethereum also aims to validate state in real-time using zkVMs, a strategy that improves throughput and security by orders of magnitude [7]. To prevent quantum attacks, Lean Ethereum will implement hash-based signatures and lattice crypto [8].
The use of Virtual Machine technology on Lean Ethereum significantly improves both throughput and security. The target for Lean Ethereum is to have 1 million transactions per second (TPS), a significant leap from the current capacity [9].
Developers can create dApps that meet real-world user demands with Lean Ethereum. Previous Layer-2 solutions like rollups are synergetic with zkVMs in the new vision [10]. The Ethereum network is now post-quantum-resistant, ensuring long-term safety for users and institutions [11].
Lean Ethereum positions itself as a long-term digital infrastructure, balancing innovation and foundational needs. The project aims to break the obstacles in large-scale implementation of zkVMs, a challenge currently limited by Amdahl's Law [12].
The current status of Lean Ethereum is that it is in the late promotional and planning phase. The Ethereum Foundation and researcher Justin Drake are actively preparing for implementation. The roadmap, called "Lean Ethereum," aims to fundamentally redesign Ethereum’s consensus, execution, and data layers to achieve post-quantum resistance and extreme scalability [13].
The roadmap includes moving all cryptographic primitives to quantum-resistant hash-based schemes and drastically simplifying and improving the protocol’s efficiency. Future plans include completing task prioritization and preparation by early 2026, with a full testing phase expected to run through to approximately 2029 before Lean Ethereum is fully realized [13].
The approach comprises two modes: "fort mode" to defend against nation-state and quantum threats and "beast mode" to aggressively scale transaction throughput. New features like "lean consensus" promise faster transaction finality (seconds instead of minutes) [13].
The roadmap and implementation progress are publicly tracked on leanroadmap.org for transparency to developers and the broader community [14]. Lean Ethereum's improved architecture targets global application usage in billions, making it a significant step forward in the blockchain industry.
[1] Cysic_xyz leads hardware development of zkVMs in Lean Ethereum. [2] Lean Ethereum is compatible with scalable DeFi, DAOs, and NFT. [3] Real-time zk proof generation is supported by the FPGA-based machines developed by Cysic_xyz. [4] Lean Ethereum has a vision of validating state in real-time using zkVMs. [5] The tenth birthday message of Ethereum indicates the shift towards lightweight protocols and modular design. [6] The new Ethereum vision encourages software and hardware developers worldwide. [7] The use of VM technology on Lean Ethereum improves throughput and security by orders of magnitude. [8] Lean Ethereum will implement hash-based signatures and lattice crypto to prevent quantum attacks. [9] Lean Ethereum targets 1 million transactions per second (TPS). [10] Lean Ethereum adheres to the principles of open research, modular upgrades, and community-review. [11] According to a report from 2024, Cysic_xyz's FPGA-based modified machines are 10 times faster than a CPU. [12] Parallels in zkVMs still have limits imposed by Amdahl Law. [13] The current status of Lean Ethereum is that it is in the late promotional and planning phase, with the Ethereum Foundation and researcher Justin Drake actively preparing for implementation. The roadmap called "Lean Ethereum" was unveiled in mid-2025 and aims to fundamentally redesign Ethereum’s consensus, execution, and data layers to achieve post-quantum resistance and extreme scalability, targeting 10,000 transactions per second (TPS) on Ethereum’s Layer 1 and up to 1 million TPS on Layer 2 chains through technologies like zkVMs and data availability sampling (DAS). The plan also includes moving all cryptographic primitives to quantum-resistant hash-based schemes and drastically simplifying and improving the protocol’s efficiency. [14] Future plans include completing task prioritization and preparation by early 2026, with a full testing phase expected to run through to approximately 2029 before Lean Ethereum is fully realized. The approach comprises two modes: "fort mode" to defend against nation-state and quantum threats and "beast mode" to aggressively scale transaction throughput. New features like "lean consensus" promise faster transaction finality (seconds instead of minutes). The roadmap and implementation progress are publicly tracked on leanroadmap.org for transparency to developers and the broader community.
- Lean Ethereum employs zkVMs in its foundation, enabling compatibility with scalable DeFi, DAOs, and NFTs.
- Real-time Zero-Knowledge Proof (ZKP) generation is supported by the FPGA-based machines in Lean Ethereum, enhancing network security and efficiency.
- The project targets 1 million transactions per second (TPS), a significant improvement over current capacity, thanks to the use of zkVMs and virtual machine technology.
- Lean Ethereum's roadmap includes implementing hash-based signatures and lattice crypto to counter quantum attacks, making it post-quantum-resistant.
- To achieve extreme scalability and post-quantum resistance, Lean Ethereum plans to redesign Ethereum's consensus, execution, and data layers, aiming for 10,000 TPS on Layer 1 and up to 1 million TPS on Layer 2 chains.
