Fake staking farms explained
A yield farm that pays you back in the same token it takes in isn't paying yield, it's paying inflation. Here's how the math gives a fake farm away before you deposit.
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How a legitimate farm pays yield
A standard staking-rewards contract distributes a reward token to stakers over time at a fixed rewardRate, funded by protocol revenue, token emissions set aside for the purpose, or fees from elsewhere in the product. Sustainable farms in real DeFi protocols tend to sit in the single or low double-digit APR range, the reward has to come from somewhere real.
The self-rewarding tell
If staking token X only ever earns you more of token X, with no external revenue funding it, the 'yield' is just newly minted supply paid to whoever deposited first, a Ponzi shape. Early depositors get paid from the buy pressure and deposits of everyone who comes after them, not from anything the protocol actually earned.
Impossible APR is priced math, not marketing
A banner advertising four- to seven-figure APR is describing a fixed emissions rate divided across a currently tiny pool of staked value, the number only holds up while total staked value stays small and new deposits keep arriving. The moment deposits catch up to emissions, or new money stops coming in, that APR collapses along with the token price.
Reading a farm before you deposit
Before staking, check whether the farm is self-rewarding, compute the real APR from the contract's rewardRate, total staked, and live token prices rather than trusting the site's banner, and confirm the token approval it wants isn't unlimited to an unverified spender. The Farm Checker reads a staking contract's on-chain reward math directly and flags exactly these signals for free.
FAQ
Is a high APR always a scam?
Not always: some real protocols pay elevated APR temporarily to bootstrap liquidity. But sustainable yield in established DeFi is usually single or low double digits; anything in the hundreds or thousands of percent warrants real scrutiny before you deposit.
What if I already staked in one?
Check what approval you granted the farm contract and revoke it if it's unlimited or the spender looks unverified, then withdraw your principal while the contract still allows it, fake farms often restrict withdrawals once deposits slow down.