# Introduction

DeltaDeFi is a decentralized exchange built on Cardano, powered by Hydra L2 — the best place to trade ADA onchain.

We deliver the performance of a centralized exchange with the security of self-custody: tightest spreads, sub-second fills, and your keys always in your hands.

## Why DeltaDeFi

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**Instant Confirmation** — \~50ms average on Hydra L2
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**10bps Flat Fee** — 0.10% per trade, no gas fees, no hidden costs
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**Binance-Compatible API** — Full REST + WebSocket for bots, strategies, and integrations
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**Self-Custody** — Non-custodial by design, with L1 settlement guarantee
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## Products

<table><thead><tr><th width="164.49609375">Product</th><th width="136.5234375">Status</th><th>Description</th></tr></thead><tbody><tr><td><strong>Spot Trading</strong></td><td>Live</td><td>Tightest spreads. Sub-second fills. #1 ADA on-chain.</td></tr><tr><td><strong>Vaults</strong></td><td>Coming Soon</td><td>Managed USDC strategies with on-chain NAV.</td></tr><tr><td><strong>XP Program</strong></td><td>Season 1</td><td>Highest rewards for earliest believers. Trade, Deposit, Refer to earn XP.</td></tr></tbody></table>