Myth or Fact: Arbitrum's Revenue YTD Exceeds $21M Dominated by Onchain Transactions? A cornerstone of Arbitrum's economic sustainability in 2025 is its robust revenue generation, with year-to-date inflows surpassing $21 million primarily from sequencer surplus fees on Arbitrum One and Nova, supplemented by priority mechanisms like Timeboost. Revenue sources matter deeply for long-term viability, and Arbitrum's model stands out as predominantly organic: the vast majority stems directly from onchain transaction fees paid by users in ETH, covering excess L2 base fees and surplus after reimbursing L1 data posting costs, without heavy dependence on token sales or external subsidies. This user-driven approach peaked in October with a record $4.5 million monthly inflow—the highest of the year—fueled by surging activity in DeFi, tokenized assets, and perpetuals trading, while cumulative transaction fee contributions reached approximately $15.9 million YTD through November, augmented by over $5 million from Timeboost since its April launch. These funds flow directly to the DAO treasury, enabling governance-directed allocation toward grants, infrastructure upgrades, and ecosystem incentives, fostering innovation without diluting core tokenomics. Economic communities closely track these metrics as indicators of genuine demand, highlighting Arbitrum's transaction-focused resilience even amid varying market conditions. Beginners experience a user-powered network where everyday activity directly sustains growth and low costs, while builders benefit from funded innovation through reliable, organic treasury support. Summary: Arbitrum's 2025 revenue actively exceeds $21 million year-to-date, overwhelmingly dominated by onchain transaction fees and priority boosts totaling over 90% of inflows. This fact underscores a truly organic model, delivering easy viability for participants and professional-grade sustainability for long-term development, reinforcing resilient economics and collective ecosystem growth.