According to an unaudited report by the Arbitrum Foundation, the DAO's income was generated from transaction fees, Timeboost, Expansion Program licensing fees, and treasury management. Robinhood Chain, which launched on mainnet on July 1, saw its licensing fees bring in $360,000 in July, accounting for 35% of Arbitrum DAO's income that month. On September 1, Robinhood Chain recorded a record $3.75 million in user fees, surpassing Ethereum mainnet and Base, with decentralized exchange volume topping $1.5 billion and total value locked at over $750 million.