The Arbitrum Foundation reported 478 million transactions across Arbitrum One and Arbitrum Chains in the six months ended June 30, 2026, lifting the network's lifetime total to 2.7 billion. Ecosystem GDP reached $206 million for the period and $1.7 billion cumulatively since launch, while average monthly stablecoin transfer volume exceeded $70 billion. Arbitrum ranked first in tokenised real-world asset deployments, with more than 2,000 assets deployed, according to RWA.xyz. ArbitrumDAO received $6.19 million across transaction fees, Timeboost, Arbitrum Expansion Program licence fees and treasury income. Collective gross margins on protocol revenue exceeded 97%, compared with more than 90% for full-year 2025. Robinhood Chain, a dedicated Arbitrum chain that settles to Ethereum, entered mainnet on July 1, 2026. Its $360,000 in July licence fees represented 35% of ArbitrumDAO income, making the Expansion Program a material revenue line. The Foundation said third-quarter income was already on track to exceed second-quarter income by more than 40% based on July figures.