Optimism is a network of chains called the Superchain, built on the open-source OP Stack. OP Mainnet was the first chain, with several others now operating on the OP Stack architecture, including Base (by Coinbase), Unichain (by Uniswap), Ink (by Kraken), and World Chain (by Worldcoin). The OP Stack serves as a framework for Ethereum Layer 2 chains and supports significant L2 activity. Every OP Chain in the Superchain contributes back to the Optimism Collective and all chains follow a standardized revenue-sharing model: the greater of 2.5% of total chain revenue or 15% of onchain profit (defined as fees minus L1 gas costs) is paid back to the Optimism. By aligning economic incentives across many chains, Optimism aims to transform Ethereum scaling into a sustainable flywheel by delivering fast, low-cost transactions while reinvesting in the future of the ecosystem. OP holders participate in governance to shape protocol upgrades, funding decisions, and more

Blast is an Ethereum L2 that offers native yield for ETH and stablecoins. Blast’s native ETH yield comes from staked L1 ETH yield, which is transferred to rebasing ETH on the L2. Yield for USDB, Blast’s automatically rebasing stablecoin, comes from MakerDAO’s on-chain T-Bill protocol. BLAST is the governance token of the Blast L2. BLAST holders can use their tokens to participate in governance of the DAO.