Arbitrum is a Ethereum layer 2 scaling solution designed to provide high-throughput, low-cost smart contracts. It leverages industry-leading proving technology to ensure security and efficiency. Arbitrum's offerings, including Arbitrum One and Nova, are powered by Nitro, a proprietary technology stack that delivers 7x more throughput than Ethereum and lower fees without compromising security. The platform supports a wide range of decentralized applications, wallets, and tools, making it a hub for DeFi, Web3 social, and gaming. The upcoming Stylus feature will allow users to deploy programs written in popular languages alongside existing Solidity dApps on the Arbitrum blockchain.