What Is DeFi? Decentralized Finance Explained
DeFi — decentralized finance — is a set of financial services (lending, borrowing, trading, earning yield) that run on public blockchains through smart contracts instead of through banks or brokers. The code holds the funds and enforces the rules; no company sits in the middle.
Traditional finance relies on trusted intermediaries who custody your money, gatekeep access and can freeze or reverse transactions. DeFi replaces those intermediaries with open-source programs anyone can use, audit and build on. The pitch: permissionless access, transparency, and composability — protocols snap together like Lego.
Frequently Asked Questions
Is DeFi safe?
DeFi removes the risk of a bank freezing your funds but introduces smart-contract risk, liquidation risk and scams. Established, audited protocols are safer, but no DeFi protocol is risk-free. Start small and only use funds you can afford to lose.
How do you make money in DeFi?
Common methods include lending assets for interest, providing liquidity to earn trading fees, and staking. Higher advertised yields almost always carry higher risk, including impermanent loss and protocol failure.
Do I need permission to use DeFi?
No. DeFi is permissionless — anyone with a crypto wallet and an internet connection can interact with most protocols without signing up or passing identity checks. That openness is a feature but also why you must self-manage risk.