[Arbitrum and Solana Co-Founders Debate Robinhood Chain Fee Model and Underlying Network Choice] Arbitrum founder Steven Goldfeder and Solana co-founder Toly engaged in a debate over the Robinhood Chain fee model. Toly stated that the 10% revenue share paid by Robinhood Chain to Arbitrum is sufficient to cover four times the transaction fees on the Solana chain, implying that deploying on Solana could significantly reduce user gas fees. In response, Goldfeder argued that under the Arbitrum architecture, Robinhood can retain approximately 90% of gas revenue, suggesting that the choice of Arbitrum was to "be a landlord, not a tenant.