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Optimism is redistributing power to humanity through a low-cost, lightning-fast, Ethereum-equivalent L2 blockchain, OP Mainnet. It’s powered by the OP Stack: a standardized, modular, and open-source dev stack that enables interoperable chains. Together, these underpin the Superchain: a set of chains that all share a software stack and have the same security properties that enable them to communicate and work together.

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