ARB is a utility token that belongs to Arbitrum, a layer-2 network built on Ethereum. Its main goal is to enhance speed, scalability, and cost-efficiency by utilizing optimistic rollups and moving most of the computation and storage load off-chain. ARB serves as the governance token of the Arbitrum DAO, allowing holders to propose and vote on governance proposals. Website : https://arbitrum.io/ Whitepaper : https://docs.arbitrum.io/ X : @arbitrum