"ZKEVM"

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zkEVM is a fascinating technological innovation, designed to enable fast transactions and scalability, by boosting Ethereum’s layer 1 solutions without compromising security.

This article provides a detailed introduction to concepts like zk, zkVM, zkEVM, etc., aiming to provide a deeper understanding of zk technology through straightforward analysis.

This article provides a detailed analysis of the architecture and technology of Scroll, helping readers understand the current network status and future development directions of Scroll. It also explains the Scroll zkEVM circuits and audits.

This article explains the advantages of zkWasm compared to zkEVM in terms of performance, interoperability, security, flexibility, etc., and discusses its suitable use areas.

If Ethereum’s future scaling solution is to convert all Rollups into ZK Rollups, OP Succinct aims to deploy Type-1 zkEVM (fully Ethereum-equivalent) within the OP Stack, utilizing Rust and SP1.

The Taiko project is a Layer 2 solution leveraging zkEVM technology dedicated to extending the functionality of Ethereum through the decentralized Ethereum equivalent of zkRollup. It allows developers and users to seamlessly extend Ethereum without changing existing decentralized applications (dApps). Key features of Taiko include fully EVM-compatible zkEVM Type 1, open source code, complete decentralization, and transaction sequencing by Ethereum validators. The Taiko protocol ensures transaction correctness and network security through smart contracts and decentralized verification. Additionally, Taiko includes innovations based on Contestable Rollups (BCR) and Booster-Based Rollups (BBR), as well as TKO tokens for validator rewards, transaction fees, and network governance.

In 2024, Polygon announced a major upgrade plan to upgrade the original main chain, Polygon PoS, to zkEVM Validium, and proposed a new architecture 2.0. One of the most iconic changes is upgrading the native token MATIC to POL, marking Polygon's move towards a higher level of decentralization and scalability.

Opside is a Rollups as a Service (RaaS) provider that offers quick zkEVM chain deployment services for Web3 developers. Developers can rent a Rollup slot using a certain number of IDE tokens, a design similar to the Parachain slot setting in Polkadot. After renting a Rollup slot, developers gain an independent execution environment to deploy custom zkEVM networks. Opside's pool of validators can handle the security protection for these networks, thus allowing developers to focus on implementing their business logic.

Taiko is a Layer 2 project built on Multi-Proofs aimed at addressing potential zkEVM bugs and enhancing Ethereum's scalability. Its core innovation is the BCR (Based Contestable Rollup) framework, which allows anyone to challenge block states and ensures network security through a competitive mechanism. Taiko launched on the mainnet on May 27 and has attracted attention from several well-known VCs and projects. Vitalik Buterin believes Taiko emphasizes the community and security of Ethereum L2 and is optimistic about its prospects. However, Taiko also has some drawbacks, such as a short launch time and tokenomics controversies. Additionally, the overall development of the zkEVM ecosystem is slow, while Op-based Layer 2s have already taken the lead in ecosystem building. Overall, Taiko is a promising project, but its future development requires further observation.

Lumoz is one of the leading projects in the emerging "RaaS" (Rollup as a Service) sector. It not only enhances the large-scale deployment of zkEVM application chains but also empowers developers to create multiple chains with a single click. By advancing ZK-Rollup development and providing computational support, Lumoz is driving the evolution of blockchain technology.

As of June 2025, Scroll continues to dominate the zk-rollup space since its October 2023 launch. After its controversial SCR token launch in 2024, it now boasts a $748 million TVL, ranking as the 3rd largest Ethereum L2 and the largest zkEVM by market share. Technical innovations like Scroll Canvas credential system and improved EVM compatibility have positioned it ahead of competitors, while the token trades at $0.41 with significant recovery from its April 2025 low.

Scroll is an Ethereum scaling solution based on ZK Rollup technology, aiming to achieve full compatibility with the Ethereum Virtual Machine (EVM). As a leader in the ZK Rollup field, Scroll has made significant progress thanks to its strong technical prowess and ecosystem development. The project achieves efficient scaling through zkEVM technology and has made comprehensive advancements in the developer community and application ecosystem. Despite facing challenges in technical implementation and practical application, Scroll demonstrates strong competitiveness in the ZK Rollup domain and is poised to bring significant breakthroughs to the blockchain industry.

Scroll is a Layer 2 solution based on zkRollup on Ethereum, aiming to improve its performance and usability, thus addressing Ethereum's congestion issues. Scroll was founded in 2021 by Ye Zhang, Sandy Peng, and Haichen Shen, with the vision of creating an EVM-equivalent zkEVM for better compatibility.

a16z Crypto has released a zkEVM solution called Jolt, aimed at enhancing the speed and simplicity of blockchain scaling operations. Jolt utilizes SNARK zero-knowledge proofs to provide a framework for EVM-compatible Rollups, allowing developers to create SNARK-based L2 solutions. Jolt significantly improves performance by converting computations into specialized polynomials and efficiently generating proofs using the sumcheck protocol, making it twice as fast as existing zkVM solutions. Technical advantages of Jolt include more compact circuit designs, efficient pipelining, and ample parallelization, optimizing the usability and availability of zkVM and aiding in shortening development cycles and improving user experience.

Currently, there are many Layer 2 solutions, but projects that can truly balance high performance, modular design, Ethereum compatibility, and forward-looking scalability remain rare. Reddio is such an ambitious and technically deep Layer 2 network. It is not just a simple zkEVM, but is centered around parallel computing, GPU acceleration, and modular Sequencer, dedicated to creating a high-performance blockchain solution that surpasses existing Layer 2 architectures.