Oxygen is a decentralized finance (DeFi) prime brokerage platform built on the Solana blockchain, leveraging Serum's on-chain infrastructure. It democratizes borrowing, lending, and leveraged trading, offering a scalable framework for millions of users. Oxygen allows users to earn yield, borrow assets, trade from liquidity pools, and access trading leverage against a diverse asset portfolio. It excels with multi-purpose collateral, cross-collateralization, and market-driven pricing. It's fully decentralized, non-custodial, and operates on an order-book basis. The OXY token is used for fees, governance, and incentives, with one token equaling one vote. Co-founded by Alex Grebnev and Viktor Mangazeev, Oxygen merges extensive finance and tech experience.