Arbor is a Solana-native router and discovery service that scans Drift, Zeta, Mango, and other perp DEXes, surfaces the best long-vs-short funding-rate pair for the user, escrows their USDC, opens both legs in one transaction, and lets them farm delta-neutral yield—charging a flat 1 % fee only when the hedge is closed, with funds always non-custodial and on-chain.