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Optimism is a Layer 2 scaling solution built to enhance Ethereum's scalability by leveraging optimistic rollup technology. It enables faster and cheaper transactions while inheriting Ethereum's security guarantees. The project is maintained by the Optimism Collective, which promotes open-source development and community governance to foster a decentralized ecosystem. Optimism's architecture is modular and designed for extensibility, allowing developers to build their own Layer 2 chains using the OP Stack, a shared software stack that powers Optimism and other blockchains like Base.

The OP Stack repository contains core components such as smart contracts, node clients, monitoring tools, and SDKs that facilitate interaction with the Optimism network. Developers can deploy their own rollups or build on OP Mainnet, benefiting from a robust ecosystem and active community support. The platform is preparing for the Bedrock upgrade, a major enhancement that improves performance and developer experience.

Optimism differentiates itself by its aggressive open-source approach, comprehensive tooling, and governance model that rewards contributors based on impact. It supports a wide range of integrations and use cases, from decentralized finance (DeFi) applications to decentralized autonomous organizations (DAOs). Developers can get started by exploring the OP Stack documentation, joining community channels, and leveraging the SDK for seamless integration.