Supported Superchains

Optimism

The flagship OP Stack chain, Optimism uses Optimistic Rollups for scalability, with fees as low as $0.06 per ETH transfer post-Bedrock upgrade. Its defining feature is the Superchain vision—unifying L2s for interoperability—and Retroactive Public Goods Funding, redistributing revenue to community projects. It’s fully EVM-equivalent for seamless developer adoption.

Base

Base is a Layer 2 blockchain by Coinbase, designed to onboard the next billion users to Web3. It integrates tightly with Coinbase’s ecosystem (110M+ users), offering low fees (up to 10x cheaper than Ethereum) and fast transactions. Its standout feature is the lack of a native token, using ETH for gas, and it funnels revenue to the Optimism Collective to support the Superchain.

Build On Bitcoin (BOB)

BOB is a hybrid Layer 2 bridging Bitcoin and Ethereum via the OP Stack. Its unique feature is enabling Bitcoin-secured smart contracts by combining Bitcoin’s security (via merged mining) with Ethereum’s EVM compatibility. It aims to expand DeFi and dApps on Bitcoin with fast, low-cost transactions.

Unichain

Unichain, developed by Uniswap Labs, is an OP Stack-based L2 focused on DeFi optimization. Its key feature is ultra-fast transaction speeds (sub-second finality) and low costs, tailored for decentralized exchanges. It integrates with Uniswap’s ecosystem to enhance liquidity and cross-chain swaps within the Superchain.

Soneium

Soneium, launched by Sony Block Solutions Labs, targets mainstream Web3 adoption in gaming, finance, and entertainment. Its specific feature is a user-centric design, simplifying blockchain interactions for Web2 users. Built on OP Stack, it offers fast, low-cost transactions and leverages Sony’s tech expertise for creator and community-focused dApps.

Fraxtal

Fraxtal, from Frax Finance, is an OP Stack L2 optimized for DeFi innovation. Its standout feature is deep integration with Frax’s stablecoin and lending ecosystem, using frxETH as a gas token instead of ETH. It offers high throughput and low fees, aiming to power scalable DeFi applications within the Superchain.

Zora

Zora is an OP Stack L2 tailored for NFTs and digital creators. Its defining feature is ultra-low-cost NFT minting (under $0.5) and fast confirmation (2-second block times). It’s a permissionless platform that empowers artists and collectors, integrating with the Superchain for broader reach.

Lisk

Lisk transitions to an Ethereum L2 using the OP Stack, focusing on accessibility for JavaScript developers. Its specific feature is enabling dApp development in JavaScript with a custom SDK, lowering the entry barrier. It offers low fees and fast transactions, aligning with the Superchain for interoperability.

Ink

Ink, launched by Kraken, enhances DeFi accessibility for its 10M+ users. Its standout feature is 1-second block times (with sub-second goals), offering fast, low-cost transactions and seamless bridging to Ethereum and beyond via the Superchain, backed by Kraken’s security expertise.