A yield number looks like a promise. It isn't. Before you move any crypto into a staking or DeFi pool, it helps to know what can quietly eat into — or wipe out — the return you're expecting.
Risk 1: Smart-Contract Bugs
Most DeFi pools run on smart contracts — self-executing code that holds your funds and pays out rewards automatically, with no human in the middle. That's the appeal. The risk is that code can have bugs. When a vulnerability is exploited, funds can drain in minutes. Larger, older protocols have usually faced more scrutiny, but "battle-tested" is never the same as "bulletproof."
Risk 2: Depegs
Many high-yield pools involve stablecoins (tokens designed to hold a fixed value, usually $1) or liquid staking tokens — tokens you receive in exchange for staked assets, like stETH for staked ETH. Both carry depeg risk: the token loses its intended value. A stablecoin can slip below $1. A liquid staking token can trade at a discount to the underlying asset. When that happens, your APY (the Annual Percentage Yield — the annualised rate your deposit earns) looks fine on paper while your actual holdings are worth less.
Risk 3: Low Liquidity
TVL, or Total Value Locked, measures how much money sits in a pool. A small pool means thin liquidity. Thin liquidity means larger price swings, harder exits, and sometimes impermanent loss — a situation where holding two assets in a pool leaves you worse off than simply holding them separately. A pool with a multi-billion-dollar TVL has more eyes on it and more depth to absorb trades. That's not a safety guarantee, but it's a meaningful difference.
Risk 4: Reward-Token Inflation
Triple-digit APYs almost always come from a protocol paying you in its own newly minted reward tokens. When everyone sells those tokens to lock in gains, the token price falls and the real yield collapses — sometimes within weeks. The APY figure updates slowly; the token price doesn't.
None of this means staking is a bad idea. It means the yield number is only one piece of information. Before committing funds, look at what the pool actually holds, where the yield comes from, and how large it is. The comparison table surfaces those details in one place — use it as a starting point for your own questions, not as a final answer.