You’ve got a self-custodial wallet and you hold your own keys. DeFi is what that unlocks. “DeFi” is short for decentralized finance: a set of financial services, swapping, earning, lending, borrowing, that run on code instead of a company, and that you use directly from your own wallet. No bank, no account, no one approving or holding your money. Here’s what you can actually do with it, and the real risks to weigh.
Finance Without the Middleman
Normally, using financial services means a company in the middle: a bank holds your money, an exchange holds your trades, a lender checks and approves you. DeFi replaces that middleman with code running on a blockchain, called a smart contract. You connect your own wallet, the code does the job, and you stay in control the whole time. It’s the same self-custody idea from earlier, now applied to more than just holding.
What You Can Actually Do
- Swap one token for another directly, without an exchange account. The marketplaces that make these swaps happen, with no company holding your funds, are called decentralized exchanges, or DEXs. Swapping across different blockchains normally needs a separate bridge service; some wallets, Zypto App included, handle it in-app.
- Earn a yield on assets you’re holding, for example by lending out stablecoins to a protocol that pays interest. Yield and staking get their own lesson next.
- Lend and borrow by putting up crypto as collateral to borrow against it, or supplying crypto for others to borrow and earning on it.
- Provide liquidity by adding a pair of tokens to a trading pool and earning a share of the fees it makes.
All of it happens from your wallet, with your keys, and no company holding the funds.
How You Connect
DeFi services are apps, often called dApps. Instead of signing up with an email and password, you connect your wallet and approve each action with your keys. That’s the web3 idea from what a wallet actually does: your wallet is your login and your signature at once.
This is where Zypto App fits: it’s an access layer to the world of DeFi. You connect to trusted dApps through its WalletConnect integration, and its built-in Web3 browser lets you browse and connect to them without leaving the app. Keeping it in one self-custodial place means less chance of landing on a fake site or a bad link, so you explore DeFi more safely, and never hand over control to take part.
The Risks, Plainly
DeFi is powerful, and it is not a bank. A few things to know before you dive in:
- Smart-contract risk. The code can have bugs or be exploited. Stick to established, audited protocols, and never put in more than you can afford to lose.
- No safety net. There’s no deposit insurance and no support line to reverse a mistake. The freedom comes with responsibility, the same as self-custody.
- Volatility and complexity. Yields change, collateral can be sold off if prices move against you, and scams exist here too. Start small and understand what you’re signing.
This isn’t investment advice. DeFi carries real risk, including loss of funds.
What This Means For You
DeFi is the rest of finance, rebuilt so you never have to hand over your keys to take part. Zypto App is self-custodial and brings swaps, cross-chain moves and DeFi access into one place, so you can explore it with your assets staying in your hands. Your money, only yours.
Keep Going
See why self-custody matters for the foundation this builds on, what a stablecoin is for the assets DeFi runs on, and for a deeper definition, our guide on what DeFi is. For any term you meet along the way, the crypto glossary has a plain-language definition.
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