O2 Exchange

About O2 Exchange

O2: The Next Generation Onchain Spot Orderbook

O2 is a fully onchain spot orderbook, engineered for high performance and an engaging trading experience. It offers a decentralized alternative that combines the best features of centralized and decentralized exchanges.

Core Trading Features Fully Onchain and High Performance: O2 is a robust, onchain orderbook architected for speed, boasting lightning-fast execution. Cross-Network Support: It supports rapid deposits and withdrawals across both the Base and Ethereum networks right now with Solana in 2026. Competitive Fees: Traders benefit from ultra-low fees, featuring as low as 1bps for takers and 0 maker fees. CEX-like Feel, DEX Security: O2’s design is performant, giving a trader a CEX-like experience via either the UI or a performant API, all while maintaining the security of self-custody and almost free trading. Ecosystem & Programmatic Trading Programmatic Access: Supports programmatic trad