List of the Top 21 Layer 2 Protocols for MetaMask in 2026

Loopring is an open-source protocol that enables the development of scalable non-custodial exchanges within the Ethereum ecosystem. By leveraging zero-knowledge proofs (zkRollup), it allows for efficient trading that boasts high throughput and minimal settlement fees while maintaining the strong security features synonymous with Ethereum. Users enjoy complete control over their assets throughout the trading journey, enhancing their overall experience. Engaging with Loopring lets individuals witness its capabilities in action. As a fully audited and non-custodial protocol, it fosters trustless interactions among participants in the Loopring network. This ensures that users' crypto assets remain under their own control, safeguarded by security guarantees that align with Ethereum's standards. Loopring significantly boosts the performance of decentralized exchanges by handling thousands of requests off-chain, with verifiable execution assured through zero-knowledge proofs. This means that the performance limitations of the underlying blockchains no longer impede operations. Most functionalities, including order-matching and trade settlements, take place off the Ethereum blockchain, leading to greater operational efficiency. This groundbreaking methodology firmly establishes Loopring as a frontrunner in the decentralized finance sector, paving the way for future innovations in trading technology.

Meter is an advanced infrastructure specifically designed to allow smart contracts to scale and operate seamlessly across multiple blockchain networks. As a hybrid of Layer 1 and Layer 2 protocols, Meter revolves around two essential tokens: MTRG, serving as the governance token (with its ERC20 version known as eMTRG), and MTR, which functions as a stable currency token. To ensure smooth and unrestricted transfer of financial assets among blockchains, Meter utilizes a HotStuff-based consensus mechanism that accommodates thousands of validator nodes, establishing itself as the most decentralized Layer 2 solution for Ethereum. The platform boasts the ability to handle thousands of transactions per second, resulting in near-instant transaction confirmations. Furthermore, Meter Passport allows for assets and smart contracts to move and engage across different blockchains, optimizing aspects such as price, liquidity, and yield. Notably, Meter distinguishes itself as an Ethereum-compatible platform enriched with unique characteristics. Unlike other Layer 2 solutions, decentralized exchanges (DEXes) on Meter are designed to be impervious to front-running and miner extractable value (MEV) dilemmas, ensuring transactions are both rapid and censorship-resistant. This unique blend of features positions Meter as a formidable contender in the ever-evolving blockchain landscape, demonstrating its potential to revolutionize cross-chain interactions.

A community dedicated to open-source development is committed to improving Bitcoin's scalability, particularly in relation to its proof-of-work security, to meet global demands and adapt to new applications, while also honoring the core principles upon which Bitcoin was built. Over the past ten years since its mainnet debut, Syscoin has established itself as a frontrunner in providing a resilient network and protocol designed for projects aiming to leverage Bitcoin Layer 2 solutions. As a Bitcoin Layer 2 operating directly on the mainnet, Syscoin implements a data availability protocol that facilitates the deployment of EVM and AltVM rollups on the Bitcoin blockchain. By being merge-mined by a substantial portion of Bitcoin's hash rate, Syscoin effectively ties these rollups to the reliability of Bitcoin's proof-of-work system, allowing for a smooth integration with the existing sequencer frameworks of these rollups. Furthermore, Syscoin offers a scalable data availability layer crucial for rollups and other EVM or AltVM platforms, enabling them to connect to Bitcoin’s network in a secure and efficient manner. This pioneering strategy not only increases Bitcoin’s functionality but also solidifies its role in the rapidly changing world of cryptocurrencies, paving the way for future innovations and broader adoption. As such, Syscoin is not only a participant in the ecosystem but also an influential driver of Bitcoin's ongoing evolution.

Polkadot represents a groundbreaking blockchain network tailored for the Web 3.0 vision, which seeks to establish a decentralized and fair internet where users maintain control over their personal data, thereby cultivating vibrant markets through improved network efficiency and robust security. Founded in 2016 by Gavin Wood, a former Co-Founder and CTO of Ethereum, Polkadot tackles significant obstacles that have previously slowed the broader adoption of blockchain technology. Its development framework, Substrate, created by Parity Technologies, is designed to simplify the creation of customized blockchains that cater to individual developer requirements. Furthermore, Polkadot promotes interoperability among different blockchains, ensuring that upgrades occur effortlessly, and implements a "shared security" model that enables developers to focus on technological advancements rather than allocating resources to manage a new blockchain's operational team. This innovative strategy not only accelerates the development process but also strengthens the entire blockchain ecosystem, fostering collaboration and innovation across various platforms. In this way, Polkadot is not just a technological solution, but a catalyst for a new era of interconnected blockchain applications.

Base serves as an economical and secure Layer 2 solution for Ethereum, specifically tailored for developers who want to broaden web3 access to a billion users. By leveraging Ethereum’s core security, it ensures the crucial scalability and safety required for decentralized applications, while allowing smooth transitions from platforms like Coinbase, Ethereum Layer 1, and other compatible ecosystems. Developers benefit from utilizing the Ethereum Virtual Machine (EVM) environment at a dramatically lower cost. In addition, users can experience early access to cutting-edge Ethereum functionalities such as Account Abstraction (ERC4337), intuitive developer APIs for gasless transactions, and advanced smart contract wallet features. Constructed on the open-source OP Stack from Optimism, Base streamlines the integration process for decentralized applications with Coinbase’s range of products and vast distribution network. With seamless Coinbase integrations, accessible fiat onramps, and links to the Coinbase ecosystem—which includes 110 million verified users and $80 billion in managed assets—Base stands out as a prime platform for developers eager to enhance their visibility and efficiency in the web3 domain. The array of features offered by Base not only appeals to developers but also fosters an environment ripe for innovation within the decentralized landscape, encouraging a new wave of creative applications and services.

COMBO emerges as a leading provider of scaling solutions specifically designed for the advancement of Web3 gaming. By leveraging cutting-edge game engine technology, COMBO is developing an open-source and decentralized gaming protocol aimed at ensuring universal access. The organization’s goal is to maximize the potential of Web3 gaming by effectively linking developers to the wider ecosystem in an efficient, economical, and secure manner. To bolster this vision, COMBO has forged strong partnerships with elite Web3 infrastructure initiatives, providing a comprehensive array of development tools and integrated game engines. These advanced resources empower game developers to navigate the Web3 domain effortlessly, while also expediting and enhancing their development workflows. With the incorporation of optimistic rollup technology, the platform can handle over 5,000 transactions per second, all achieved alongside exceptionally low gas fees of merely 0.000000008 Gwei. Furthermore, COMBO's relentless pursuit of innovation is evident in its continuous efforts to improve the gaming experience within the decentralized realm, ensuring that both developers and players benefit from cutting-edge advancements. The focus on creating a vibrant community around Web3 gaming also plays a crucial role in its mission.

Starknet operates as a decentralized ZK-Rollup on the Ethereum network, enabling permissionless access for any decentralized application (dApp) to achieve virtually limitless computational scale while ensuring the security and composability inherent to Ethereum. By creating STARK proofs off-chain and subsequently validating them on-chain, Starknet effectively enhances scalability while preserving the integrity of Ethereum's Layer 1. Developers have the flexibility to easily apply various business logic through Starknet Contracts, which supports Ethereum-level composability and simplifies the development process, thereby fostering innovation. The StarkEx scalability engine, powered by the STARK Prover, is capable of processing up to 600,000 transactions within a single proof on Mainnet, underscoring its exceptional efficiency and reliability. This unique blend of capabilities positions Starknet as an essential framework for the future of decentralized applications, paving the way for more advanced and innovative solutions in the blockchain ecosystem. As the demand for scalable solutions continues to grow, Starknet stands out as a critical player in shaping the landscape of decentralized technologies.

Celer Network functions as a layer-2 scaling solution aimed at enabling fast, secure, and affordable blockchain applications on Ethereum, Polkadot, and multiple other blockchain systems, with the goal of achieving widespread usage. It was the first to introduce a Generalized State Channel Network and remains at the forefront of innovation in the layer-2 scaling landscape through its sophisticated Rollup technology. The platform has generated significant attention due to its notable applications and middleware like cBridge and Layer2.Finance, as well as various ecosystem initiatives that appeal to a wide range of users in sectors such as DeFi, blockchain interoperability, and gaming. Layer2.Finance specifically targets the two main barriers to DeFi's broader acceptance: high transaction costs and complicated user interfaces. Furthermore, cBridge functions as a flexible multi-chain network that allows for instant, affordable, and smooth value transfers across different Ethereum layer-2 networks, the Ethereum main chain, and plans to support additional layer-1 and layer-2 solutions in the future. As Celer Network continues to grow, it is committed to improving the overall user experience and expanding access to blockchain technology for an ever-wider audience, fostering a more inclusive digital economy.

Loom Network provides developers with the necessary scalability and ease of use to build high-performance decentralized applications (DApps) that meet the needs of today's users. By facilitating smooth integrations with prominent blockchains such as Bitcoin, Ethereum, and Binance Chain, deploying a DApp on Loom guarantees its ongoing relevance and accessibility to a broad audience. Since its inception in early 2018, Loom Network has functioned as a fully operational multichain interoperability platform. It is specifically tailored to enhance the scalability of high-performance DApps, ensuring a user experience comparable to traditional applications, which simplifies the onboarding process for new users by eliminating the need for them to install cryptocurrency wallet software. This feature empowers developers to leverage assets from top blockchains and enables the creation of a DApp that can be launched across all platforms simultaneously. Furthermore, on Loom Network, developers have the option to use the platform's token to cover their DApp hosting expenses, and instead of the complex fee structures found in Ethereum, they benefit from a straightforward monthly fee for hosting their applications on Loom. This approach not only streamlines financial planning for developers but also allows them to focus more on innovation rather than administrative concerns. Consequently, Loom Network continues to play a vital role in the evolution of decentralized applications.

Develop Ethereum-compatible smart contracts using a range of popular programming languages and execute them at much higher speeds on Substrate. This project follows a decentralized, open-source business model funded by developer treasuries from various participating blockchains. Current Ethereum smart contracts can effortlessly run on ParaState’s Ewasm VM (Pallet SSVM) without any need for alterations. By accommodating over 20 programming languages, ParaState significantly boosts the developer ecosystem for Ethereum-compatible smart contracts. This broad support includes popular languages such as Solidity, Fe, Rust, and JavaScript, as well as domain-specific languages (DSLs) like MOVE, DeepSEA, and Marlowe. Substrate-based blockchains, particularly those within the Polkadot network, achieve a much higher transactions per second (TPS) rate than Ethereum. Nonetheless, for a smart contract platform, the focus is placed more on the efficiency of compute performance than on TPS throughput. By deploying smart contracts on ParaState, developers can experience these benefits and unlock enhanced capabilities that can transform their applications in real-time. Embrace the future of blockchain technology and explore the possibilities offered by this innovative platform.

Each day, numerous transactions take place on the blockchain, forcing users to sacrifice their privacy because anyone who knows their address can access their entire financial record. To tackle this challenge, Suterusu has introduced a revolutionary Layer 2 privacy-preserving protocol known as Suter Shield, which effectively masks the identities of senders and receivers to safeguard transaction information using advanced cryptographic techniques. By decoupling the addresses that enter and exit Layer 1, this solution ensures complete anonymity for both users and transaction details within Layer 2. The protocol also features a sophisticated ZK-ConSNARK framework, characterized by a proof size that remains virtually unchanged, along with streamlined processes for proof generation and verification. This breakthrough not only bolsters security but also cultivates increased trust among users engaging in blockchain transactions. Furthermore, Suter Shield represents a significant advancement in privacy technology, paving the way for more secure and confidential digital interactions.

Access a growing array of trading, yield generation, and liquidity avenues across multiple blockchains at a low cost. Qredo simplifies the DeFi trading experience by removing network fees, intricate multi-leg transactions, and tedious approvals through its cutting-edge multi-party computation (MPC) technology. Customize governance frameworks to fit seamlessly with existing corporate structures and asset management processes. Participate in trading, transferring, and managing digital assets on a decentralized platform that allows you to choose between managed and self-custody options. Enjoy rapid transfers and cross-chain atomic swaps which significantly boost capital efficiency and profitability. Enhance your overall returns with no-cost deposits when securing assets on the Qredo Network. Headquartered in London, UK, with development teams based in Sofia, Bulgaria, Qredo is a well-funded, venture-backed startup addressing a growing demand for its services. The company's dedication to innovation and ensuring customer satisfaction solidifies its position as a frontrunner in the dynamic crypto landscape. As the industry evolves, Qredo continues to adapt and enhance its offerings to meet the needs of its users.

Linea is a next-generation Layer 2 blockchain, developed from first principles to strengthen Ethereum while scaling its global economy. Using proven zkEVM technology, Linea achieves full Ethereum equivalence, enabling developers to build with the same tooling and client stack while benefiting from ultra-low fees and near-instant settlement. Its architecture supports 10x proving performance compared to general zkVMs, delivering unmatched scalability for both DeFi protocols and enterprise applications. Every transaction executed on Linea burns ETH, driving scarcity, reinforcing Ethereum’s monetary policy, and aligning incentives with mainnet security. The network introduces capital efficiency by natively staking bridged ETH, distributing yield to liquidity providers and fueling DeFi ecosystems with optimized returns. Tokenomics are ETH-aligned, mirroring Ethereum’s Genesis distribution with no insider allocations, while the majority of supply is directed toward builders, users, public goods, and Ethereum R&D. An Ecosystem Council, comprised of trusted entities like Consensys, ENS, and Status, ensures stewardship of funds for long-term community value. With its enterprise-grade infrastructure, Linea is purpose-built for financial institutions, offering a secure platform for tokenization, settlement, and integration with custodians and payment leaders such as Mastercard and Visa. Beyond enterprise, Linea empowers developers and users alike to create applications that strengthen Ethereum with every block. As Ethereum’s aligned zkEVM, Linea represents both the technological evolution of Ethereum scaling and a capital engine designed to make ETH the world’s most valuable digital asset.

Develop decentralized applications that provide exceptional user experiences by harnessing the unparalleled security of Ethereum via our sophisticated layer-2 network built on a modular framework. Experience remarkable transaction speeds combined with robust security, all while utilizing Ethereum's roll-up technology in an environment that is fully compatible with the Ethereum Virtual Machine. The Mantle Liquidity Staking Protocol (LSP) represents a vital component of the Mantle ecosystem, enabling users to stake ETH and receive rewards in the form of mETH (Mantle Staked Ether). With a significant treasury under our management, we concentrate on delivering economic benefits for Mantle products, prioritizing value creation, transparency, and sound governance. Our unwavering dedication to these values guarantees that users can have confidence in the integrity and dependability of our ecosystem. Ultimately, this commitment to excellence fosters a thriving community that can actively participate in the burgeoning world of decentralized finance.

Utilize leverage of up to 50 times directly from your wallet for a smooth trading experience. You can also stake your stablecoins to receive rewards, making this platform an ideal choice for maximizing your returns on USDC or FUSDT. Built on the high-speed Fantom blockchain, Tomb Chain emphasizes eco-friendliness in its design. To transition your stablecoins into the Fantom ecosystem, you may opt for either Felix Exchange or Multichain from a variety of other networks. The user-friendly interface of this website enhances the staking and earning process within DeFi, rendering it more approachable than conventional methods. To begin, you’ll need to confirm a transaction to enable the use of your stablecoins, followed by selecting the amount you wish to deposit. Once you input your desired deposit amount, you will need to complete another transaction in your wallet to finalize it. Your stablecoins can then be reinvested on this platform, allowing you to elevate your farming experience through the power of compounding earnings. This method not only optimizes your yield but also offers a simplified approach to managing your crypto assets. Overall, this platform stands out for its commitment to user accessibility and sustainable trading practices.

Blast stands out as the only Ethereum Layer 2 solution that provides built-in yield for both ETH and stablecoins, with its earnings originating from ETH staking and protocols involving real-world assets. This yield produced by decentralized networks is efficiently redistributed to Blast users. Unlike most Layer 2 solutions that maintain a standard interest rate of 0%, our objective as participants is to bolster the on-chain economy by creating the highest-yielding Layer 2 network possible. Community members who take part in this venture will have the chance to receive the Blast Airdrop. The potential of Blast was unlocked this year, thanks to the Ethereum Shanghai upgrade. Yield generated from Layer 1 ETH staking, initially via Lido, is automatically sent to users through a rebasing mechanism integrated into the Layer 2 network. By cultivating a thriving ecosystem, we aspire to draw in a larger user base and continue to push the boundaries of innovation within the decentralized finance realm, ultimately shaping the future of finance.

Mode is an innovative Layer 2 solution on Ethereum that rewards users for helping to grow its network through cutting-edge economic models. This platform is establishing a new on-chain economy that rewards individuals for their efforts in expanding the network. Developers can earn a portion of the sequencer fees generated from their smart contracts, providing them with a direct financial incentive. Furthermore, Mode's unique treasury system will automatically distribute rewards across the ecosystem, ensuring consistent engagement and support. Leveraging the modular OP stack, Mode is integrated into the super chain network, which encompasses both the base and OP mainnet. Users can benefit from a streamlined and intuitive blockchain experience through the Mode name service. In addition, the Mode bridge allows for effortless asset transfers between Layer 1 and the Mode platform, significantly enhancing the network's flexibility and accessibility for users. This comprehensive approach not only promotes growth but also deepens community involvement within the blockchain ecosystem, creating a vibrant and collaborative environment for all participants. Ultimately, Mode aims to redefine how blockchain interactions occur by prioritizing user engagement and economic incentives.

Rootstock emerges as a pioneering Bitcoin sidechain that merges the robust smart contract capabilities of Ethereum with Bitcoin’s unmatched security features. As an open-source platform, it leverages Bitcoin's proof-of-work consensus mechanism and utilizes more than 60% of Bitcoin's hashing power through merged mining, which greatly enhances its reliability. This collaboration enables developers to build EVM-compatible smart contracts, thereby fostering the development of decentralized applications that capitalize on the robust security of Bitcoin's network. The platform's native currency, RBTC, is pegged to Bitcoin at a 1:1 ratio, which streamlines interactions with decentralized finance (DeFi) protocols and dApps, enabling seamless processes like minting, swapping, and gas fee payments. Furthermore, the PowPeg protocol is essential for ensuring secure and efficient two-way transactions between Bitcoin and Rootstock, which significantly boosts the interoperability of both networks. Rootstock's growing ecosystem provides users with diverse applications, allowing them to swap, stake, and optimize yields using platforms like Sushi and Beefy, as well as trade on Oku, showcasing the platform's versatility and broad appeal. Consequently, Rootstock not only creates an environment rich in opportunities for developers but also empowers users to fully explore and leverage the advantages of blockchain technology in their daily activities. With such a comprehensive framework, Rootstock stands poised to play a vital role in the future of decentralized finance and blockchain innovation.

Hemi introduces a groundbreaking modular Layer-2 blockchain framework that seamlessly fuses the strong security of Bitcoin with the versatile programmability of Ethereum by embedding a full Bitcoin node within an Ethereum-compatible framework known as the Hemi Virtual Machine (hVM). This pioneering architecture allows developers to craft Solidity smart contracts that can interact with Bitcoin data directly, eliminating the need for bridges or synthetic assets. Through its distinctive Proof-of-Proof (PoP) consensus method, Hemi ensures “superfinality,” linking transactions to Bitcoin blocks to maintain high integrity and protect against reorganizations, while also facilitating swift finality. Furthermore, the Hemi Bitcoin Kit (hBK) provides developers with vital resources to build genuine Bitcoin-centric DeFi solutions, such as lending, staking, automated market makers, MEV systems, and multi-chain DAOs, all utilizing real BTC for collateral or yield generation. Consequently, Hemi not only broadens the horizons of decentralized finance but also enhances collaboration between two of the most influential blockchains in the cryptocurrency world. Ultimately, this innovative framework sets the stage for unprecedented interoperability and financial possibilities within the blockchain ecosystem.

Polygon is a next-generation blockchain platform redefining digital finance through speed, scalability, and interoperability. Built for real-world utility, Polygon processes over 5 billion transactions and connects 117 million unique addresses—empowering businesses, developers, and institutions to operate on an always-on financial infrastructure. Its lightning-fast network achieves ~5-second finality and 2-second block times, enabling near-instant settlement for payments, stablecoins, and tokenized assets. Designed for enterprise-grade performance, Polygon combines account abstraction, email logins, and sponsored gas to deliver user experiences that rival traditional apps—without sacrificing decentralization. The ecosystem’s zkEVM and AggLayer technologies bring cryptographic proof and modular scalability to Web3, allowing developers to scale from 5,000 to 100,000+ TPS seamlessly. Supported by POL, the native gas and staking token, Polygon secures the network while powering thousands of decentralized applications. Its stablecoin ecosystem exceeds $3 billion in supply, backed by deep liquidity and unmatched transaction velocity. From DeFi and tokenized real-world assets (RWA) to enterprise payments and infrastructure, Polygon provides the rails for money to move as fast as the internet itself. The platform’s commitment to compliance, reliability, and interoperability makes it the go-to solution for institutions entering Web3. With its proven success and forward-looking roadmap, Polygon stands as the foundation for the global, scalable, and secure economy of the future.

RSK distinguishes itself as the leading smart contract blockchain platform, leveraging the solid security infrastructure of the Bitcoin Network. It is increasingly viewed as a vital player in the realm of decentralized finance (DeFi), enabling Bitcoin holders to engage in activities such as lending, borrowing, trading, and earning interest on their assets. The shift towards decentralized financial systems is evident, with RSK at the forefront as the premier global smart contract platform. The main aim of RSK's Contracts is to bolster the Bitcoin Contracts ecosystem by streamlining smart contract execution, facilitating near-instant payments, and enhancing scalability. Through Merged Mining and a two-way peg, RSK Blockchain forges a robust link to Bitcoin, thereby boosting its security and operational capabilities. Additionally, RIF, which is built on RSK, seeks to establish the essential components for a fully decentralized internet, enabling Decentralized Sharing Economies that empower users with improved identity management, innovative payment solutions, versatile storage options, enhanced communication methods, gateway services, and comprehensive marketplace features. This forward-thinking framework not only safeguards individual assets but also contributes to a more just and inclusive digital economy, paving the way for broader access to financial services. Ultimately, RSK's vision aligns with the future of finance, emphasizing the importance of security, efficiency, and user empowerment in an increasingly digital world.