Arbitrum

About Arbitrum

Arbitrum (ARB) is a Layer 2 scaling solution for Ethereum that enhances transaction speed and reduces costs by processing transactions off-chain using optimistic rollups, while maintaining Ethereum’s security. The ARB token serves as the governance mechanism within the Arbitrum ecosystem, allowing holders to vote on protocol upgrades and other key decisions. As of July 2025, ARB is trading at approximately $0.33 USD, with a market capitalization of around $1.65 billion and a circulating supply of approximately 4.96 billion tokens.