Why y0.exchange Is Built for Security First

Your keys, your crypto — we never touch them

When you connect a wallet through y0.exchange, your private keys never leave your device. We operate as a pure frontend portal: all signing happens locally, all transactions are broadcast directly from your wallet to the blockchain.

No backend for wallet operations

Unlike many exchange platforms, y0.exchange has no server-side component that handles your funds. There is no database storing your seed phrases, no API endpoint that moves your tokens. The entire swap and bridge flow is executed client-side through audited smart contracts and DEX aggregators like 1inch and 0x.

Open source and auditable

Our wallet application is fully open source under the MIT license. Every line of code that interacts with your assets is publicly available for review. Security researchers, developers, and curious users can inspect exactly what happens when you connect, swap, or bridge.

How we handle swaps and bridges

When you initiate a token swap, y0.exchange routes your order through trusted DEX aggregators to find the best rate across multiple liquidity sources. The aggregator returns a transaction payload, your wallet signs it locally, and the signed transaction goes straight to the blockchain. We never have custody at any point in this flow.

Cross-chain bridges work the same way. We integrate LI.FI as our bridging aggregator — your wallet signs a bridge transaction locally, and LI.FI handles the cross-chain message passing through battle-tested bridge protocols.

Multi-provider flexibility

y0.exchange supports multiple wallet providers — Reown (WalletConnect), Privy, MetaMask, Coinbase Wallet, and more. Each provider manages its own key storage and signing. Whether you use a hardware wallet, a browser extension, or social login through Privy, the security model remains the same: keys stay with you.

What we collect (and what we do not)

We do not collect private keys, seed phrases, or wallet passwords. We do not store transaction history on our servers. Basic analytics (page views, feature usage) may be collected to improve the product, but nothing that could compromise your wallet security.

Best practices for staying safe

• Always verify the URL — only use y0.exchange or your self-hosted instance
• Never share your seed phrase with anyone, including anyone claiming to be y0 support
• Use a hardware wallet for large holdings
• Review transaction details in your wallet before signing
• Keep your wallet software and browser up to date

Built for trust

Security is not a feature we bolt on — it is the foundation of how y0.exchange works. By keeping the architecture non-custodial, open source, and transparent, we make sure that using y0 is as safe as using your wallet directly. The only difference is a better experience.