Best Layer 2 Protocols for Integral

The next-generation layer 2 solution for Ethereum decentralized applications (dApps) allows developers to leverage their preferred tools while achieving cost-effective scaling for their projects. In this ecosystem, an aggregator functions similarly to a node in the Ethereum network, enabling client software to perform remote procedure calls (RPCs) to interact with an Arbitrum chain via a standard API. Once a client makes a request, the aggregator interacts with the EthBridge to generate transaction results, akin to the operation of an Ethereum node. Although most clients will typically route their transaction submissions through an aggregator for efficiency, it is not a strict requirement for operation. There are no restrictions on the number of aggregators that can be established, nor on who is eligible to serve as one. To enhance processing efficiency, aggregators often consolidate several client transactions into a singular message for submission to the Arbitrum chain. Additionally, Arbitrum features a specialized Sequencer that has the capability to prioritize transaction ordering and provide rapid transaction receipts, further optimizing the user experience. This innovative structure opens up new possibilities for developers looking to enhance their dApps on Ethereum.

Base is a secure, cost-effective, and developer-friendly layer 2 solution for Ethereum, designed to usher in the next billion users to the web3 ecosystem. It offers the essential security and scalability required for your decentralized applications, utilizing Ethereum's foundational security while allowing smooth onboarding from Coinbase, Ethereum L1, and other compatible chains. Experience the Ethereum Virtual Machine (EVM) at a reduced cost, and gain early access to advanced Ethereum functionalities like Account Abstraction (ERC4337), alongside straightforward developer APIs for gasless transactions and smart contract wallets. Built on Optimism’s open-source OP Stack, Base provides an effortless way for decentralized applications to tap into the extensive range of products and distribution options from Coinbase. With seamless integrations, easy fiat onramps, and entry into the Coinbase ecosystem—home to 110 million verified users and $80 billion in assets—Base positions itself as a pivotal player in the web3 landscape. The combination of innovative features and robust support makes Base an attractive option for developers looking to create impactful decentralized applications.

Starknet functions as a decentralized ZK-Rollup on Ethereum, operating without permission and allowing any decentralized application (dApp) to attain boundless computational scale while maintaining Ethereum's security and composability. By generating STARK proofs off-chain and verifying them on-chain, Starknet successfully scales while safeguarding the integrity of Layer 1 Ethereum. Developers can seamlessly implement diverse business logic through Starknet Contracts, promoting Ethereum-level composability that encourages straightforward development and fosters innovation. The STARK Prover drives the StarkEx scalability engine, showcasing its capability to handle up to 600,000 transactions in a single proof on Mainnet, which highlights its efficiency and robustness. This combination of features positions Starknet as a vital infrastructure for the next generation of decentralized applications.

Access an expanding network of trading, yield generation, and liquidity options across various blockchains at a minimal cost. Simplify the flow of DeFi trading by eliminating network fees, complex multi-leg transactions, and cumbersome sign-offs through Qredo's innovative multi-party computation (MPC) approach. Tailor governance structures to align with current corporate frameworks and asset management processes seamlessly. Engage in trading, transferring, and managing digital assets on a decentralized platform with the flexibility of your own governance, whether through managed or self-custody methods. Experience swift transfers and cross-chain atomic swaps that enhance capital efficiency and profitability. Increase your overall returns with complimentary deposits when securing assets on the Qredo Network. With its headquarters located in London, UK, and development teams in Sofia, Bulgaria, Qredo stands as a well-capitalized, venture-backed startup that is meeting a burgeoning demand for its offerings. The company's commitment to innovation and customer satisfaction positions it as a leader in the evolving crypto landscape.

Blast is the sole Ethereum Layer 2 solution that offers native yield for both ETH and stablecoins. The yield generated comes from ETH staking alongside real-world asset (RWA) protocols. Users of Blast benefit as the yield from these decentralized systems is automatically redistributed to them. In contrast, the standard interest rate on other Layer 2 platforms sits at a mere 0%. Our vision as contributors is to enhance the on-chain economy by providing the highest-yield Layer 2 experience available. Those who participate in our community mission will have a chance to receive the Blast Airdrop as a reward. Notably, Blast's capabilities were made feasible this year, following the Shanghai upgrade to Ethereum. Additionally, yield from L1 staking, which was initially facilitated by Lido, is seamlessly transferred to users through a rebasing mechanism of ETH on the Layer 2 platform, ensuring they benefit from the staking rewards effortlessly. This innovative approach promotes both growth and accessibility within the blockchain ecosystem.

Scroll is crafted specifically for Ethereum developers, serving as a fast, dependable, and scalable Layer 2 blockchain that enhances Ethereum's functionality and allows applications to expand seamlessly. With bytecode-level compatibility, Ethereum applications can transition to Scroll without complications and at much lower costs. Our commitment to open development fosters collaboration among value-driven contributors, resulting in more secure and well-architected systems. By championing a community-centric approach, Scroll aims to reshape and advance the roadmap of Ethereum. Utilizing cutting-edge zero-knowledge-proof technology, proven EVM frameworks, and thorough audits, Scroll guarantees that our platform is firmly established on security and reliability. Additionally, by focusing on code security through collaborative open-source efforts, Scroll safeguards both developers and users from potential vulnerabilities, fostering a robust ecosystem for innovation. This dedication to security and community involvement signals a promising future for Ethereum as we continue to grow and evolve.

Unichain serves as a DeFi-centric Layer 2 solution on Ethereum, specifically crafted to become a central hub for cross-chain liquidity. This decentralized finance platform enhances transaction efficiency and affordability, boasting exceptionally quick block times of just one second while aiming to slash transaction fees by a factor of twenty compared to standard Ethereum costs. Utilizing the OP Stack framework, it emphasizes scalability, fosters open-source advancements, and plans for future features such as Provable Block Building. Unichain is tailored to meet the needs of both developers and users within the DeFi ecosystem, offering comprehensive tools for creating liquidity pools and deploying smart contracts. Drawing from extensive experience in establishing the largest decentralized trading protocol globally, Unichain ensures that its technological innovations remain accessible as open-source, allowing other rollups to incorporate them seamlessly. Additionally, a robust network of full nodes actively oversees and authenticates the sequencer's activities, thereby enhancing transaction speeds and decentralization within the Unichain ecosystem. This commitment to transparency and community involvement positions Unichain as a leader in the evolving landscape of decentralized finance.

Polygon is the global leader in blockchain scalability solutions, offering an advanced infrastructure that transforms how money and data move across the internet. Purpose-built for real-time transactions, Polygon enables instant settlement, high throughput (1,000+ TPS), and transaction costs as low as $0.001. With over 5.3 billion transactions processed and $141 billion in transfer volume, it has become the backbone for digital payments, DeFi, and stablecoin ecosystems. Enterprises leverage Polygon’s robust framework to eliminate wire fees, improve liquidity, and ensure compliance—all while maintaining speed and transparency. The network’s aggregation layer, zkEVM, and AggLayer CDK provide developers with modular scalability for any use case—from tokenized assets (RWA) to cross-border payments. Its POL token secures the network and powers staking, governance, and utility functions. With account abstraction, social recovery, and seamless user onboarding, Polygon makes blockchain accessible to the masses. Backed by a thriving ecosystem and proven reliability, Polygon is redefining global payments and decentralized innovation at internet scale.

Ethereum's latest scalability framework ensures rapid transactions alongside efficient smart contracts. Optimism operates as a Public Benefit Corporation (PBC), which is a profit-driven entity established to create societal advantages while maintaining responsible and sustainable practices. This structure compels us to harmonize the financial interests of our shareholders with the welfare of individuals impacted by our actions, all while adhering to a specific "public benefit charter" we have adopted. The core mission of the Company is to improve and secure equitable access to internet public goods through the creation of open-source software. This charter embodies our commitment to the Ethereum community, as we strive to uphold its principles by developing infrastructure that fosters the growth and sustainability of a public goods ecosystem. In doing so, we aim not only to enhance technological innovation but also to cultivate an inclusive environment for all users.

zkSync stands out as the most user-focused ZK rollup solution in the Ethereum ecosystem. This innovative scaling method has no limitations on the volume it can securely manage in Layer 2, setting it apart from other strategies. In contrast to optimistic rollups, it facilitates rapid and economically efficient transfers of assets between the ZK rollup and Layer 1. Notably, zkSync boasts the lowest transaction costs among all current and forthcoming rollups. Additionally, it offers features like meta-transactions, immediate confirmations with economic finality, and affordable privacy options. The design philosophy of zkSync emphasizes simplicity and enjoyment in the development process. Developers can easily integrate payments and atomic swaps using just a few lines of code. Moreover, zkSync allows for the creation of type-safe, functional smart contracts with Zinc, a Rust-based framework, and enables the deployment of existing EVM codebases with minimal adjustments. This combination of features makes zkSync an attractive choice for developers seeking efficiency and innovation in blockchain applications.