Arbitrum is up 18.79% in the last 24 hours, with the live ARB price at $0.090357 USD with a 24-hour trading volume of $218,777,676 USD. Arbitrum (ARB) is the biggest winner in crypto today, with its price shot up more than 11% in the last day, now trading at $0.08627. The catalyst for the rally centers on a major announcement regarding Arbitrum's ecosystem revenue model. Steven Goldfeder, co-founder of Offchain Labs, explained that 10% of fees from Robinhood Chain and other Arbitrum Layer-2 networks will be returned to the Arbitrum ecosystem, with 8% going to the treasury controlled by tokenholders, and 2% supporting development.