Blockscout is an open-source blockchain explorer designed for Ethereum Virtual Machine (EVM)-based networks. It provides users with a comprehensive interface to search transactions, view account balances, verify and interact with smart contracts, and engage with decentralized applications across various Ethereum networks, including mainnets, testnets, sidechains, and Layer 2 solutions. Unlike centralized, closed-source explorers, Blockscout offers transparency and flexibility, supporting hundreds of chains and rollups within the broader blockchain ecosystem, such as Ethereum, Cosmos, Polkadot, Avalanche, and Near.
NFTs2Me is a multichain, no-code platform that allows creators to easily build, deploy, and manage NFT collections. It simplifies the entire NFT lifecycle, offering tools for generative art creation, IPFS storage, and customizable minting options. The platform is self-funded, does not have a formal governance process, and has not yet issued a token. NFTs2Me aims to make NFT creation accessible to everyone, regardless of technical expertise.
Rarible is a decentralized, community-centric NFT marketplace that enables users to create, buy, and sell digital assets such as art, collectibles, and virtual goods. Supporting multiple blockchains—including Ethereum, Flow, Tezos, and Polygon—Rarible offers a versatile platform for diverse NFT transactions.
Fractal Visions is utilizing the public goods ethos of Optimism with a retroactive rewards mechanism generated by the marketplace fee from sales to attract authentic artists, musicians, and developers to build on the OP stack. Fractal Visions currently doesnt have a formal governance system.
Zapper is an onchain explorer that helps users manage their crypto and NFTs and discover new opportunities across multiple chains. Its mission is to make blockchains readable to everyone, creating universal access towards economic freedom. Zapper has no formal governance process or native token. It has raised $16.5m across two funding rounds.
Owlto Finance is decentralized Cross-Rollup bridge, focusing on enabling direct and efficient asset transfers between Rollups. This approach circumvents the traditional need for assets to move through the mainnet, reducing transaction times and costs, and catering specifically to the DeFi, NFT, and DEX sectors' need for seamless Layer 2 asset mobility. Owlto Finance operates without its own token and is self-bootstrapped.
Foundation Missions are Optimism-funded initiatives designed to make measurable progress toward the Season 7 Intent, establishing interoperable Stage 1 chains handling $250M in cross-chain asset transfers per month.
The Retro Funding: Dev Tooling program rewards open-source toolchain software that supports onchain application development on the Superchain, with a budget of up to 8M OP and monthly rewards from March to July 2025.
OP Mainnet, previously known as Optimism, is a Layer 2 scaling solution built on top of Ethereum. It utilizes optimistic rollups to provide faster and cheaper transactions while maintaining the security of the Ethereum mainnet.
Ink is a Layer 2 blockchain built by Kraken powered by the OP Stack. It connects Kraken’s 10+ million users to decentralized finance (DeFi), offering easy access to DEXs, lending, and yield protocols. By joining the Superchain, Inkchain combines Ethereum’s security with Layer 2 scalability for a streamlined DeFi experience.
Unichain is an L2 purpose-built for DeFi, exclusively on the OP Stack. Unichain is part of the Superchain’s path to interoperability, and will support ERC20s that are Superchain interop compatible. Uniswap Labs is also working with Flashbots to develop a new TEE-based block builder that reduces Unichain confirmation times from 1 second to 250 milliseconds.
Soneium is a Layer 2 blockchain developed by Sony Block Solutions Labs, a joint venture between Sony Group and Startale. Designed to bridge Web2 and Web3, Soneium aims to create a versatile, developer-friendly ecosystem that empowers creativity and innovation. It provides a scalable, accessible platform for developers, creators, and communities, enabling them to build and deploy applications that blend entertainment, gaming, finance, and more.