Arbitrum is the leading Ethereum Layer2 scaling solution using Optimistic Rollups to reduce gas fees and increase throughput.

Optimism is an Ethereum Layer2 protocol using Optimistic Rollups to enhance scalability while maintaining Ethereum security.

Polygon is a Layer2 and sidechain solution for Ethereum, offering faster and cheaper transactions with growing developer adoption.

zkSync is a zk-rollup Layer2 protocol providing Ethereum-level security with ultra-low fees and fast confirmation times.

StarkNet is a zero-knowledge rollup scaling solution using STARK proofs, supporting scalable dApps with privacy and security.

Base is an Ethereum Layer2 built by Coinbase using Optimism’s OP Stack, designed for fast, low-cost onboarding to Web3.

Immutable X is a zk-rollup Layer2 designed for NFTs and gaming, providing gas-free minting and high scalability on Ethereum.

Loopring is a zk-rollup protocol enabling secure, fast, and cheap decentralized trading and payments on Ethereum.

Metis is a Layer 2 scaling platform using Optimistic Rollups, focused on DAO infrastructure and decentralized business applications.

Boba Network is a Layer 2 Optimistic Rollup scaling solution that enables hybrid compute and faster smart contract execution.