Arbitrum Rollup: A Layer 2 scaling method that aggregates multiple transactions into a single batch, resulting in reduced gas fees. Arbitrum AnyTrust: A system designed for dApps that favor low transaction costs, particularly gaming and social platforms. Arbitrum Orbit: A platform solution for developers to initiate their own chains while remaining connected to Arbitrum's ecosystem. Arbitrum Stylus: A tool for deploying applications on Arbitrum chains using various programming languages, while ensuring compatibility with the Ethereum Virtual Machine (EVM). Arbitrum Nitro: The technological foundation of all Arbitrum products, aiming for speedy transactions and efficiency. Portal and Bridge: Interface tools that smooth out interactions between Ethereum and Arbitrum chains.