Not financial, legal, or tax advice. Staking rewards are not guaranteed and staked assets can lose value or be subject to lockup periods.
Staking means locking up cryptocurrency to help secure a Proof of Stake network, in exchange for a share of the rewards that network pays out. It's both a technical requirement for validating transactions and a way for everyday holders to earn on assets they already own, part of the wider decentralized finance ecosystem. Ethereum, the largest proof-of-stake network, documents its own staking options and their trade-offs.
Definition
When you stake, you commit your tokens as collateral backing the network's security. In return, you receive a portion of newly issued tokens or transaction fees, proportional to your stake.
The word "collateral" is the one to hold on to, because it explains why staking pays anything at all. You are not depositing money somewhere and earning interest. You are posting a bond that the network can confiscate if the validator your stake backs breaks the rules. The reward is compensation for putting capital at risk in service of the network's security, which is a fundamentally different arrangement from a savings account and carries fundamentally different risks.
It is also worth understanding where the money comes from, since "the network pays you" obscures more than it explains. Rewards are mostly newly issued tokens, which means the supply is expanding and everyone who is not staking is being diluted. Part comes from transaction fees, which is real revenue paid by users. So a headline 4% is not 4% richer; it is roughly 4% more tokens in a pool that grew, and the honest return is the difference between your share before and after.
The Proof of Stake link
Staking is the mechanism that makes Proof of Stake work at all. Validators are chosen to propose blocks based on their staked amount, and can lose part of their stake for misbehaving. Our comparison of Proof of Stake and Proof of Work covers how this differs from mining.
The elegance of the design is that the collateral is denominated in the asset an attacker would be devaluing. Attacking the network destroys the market value of the stake used to mount the attack, and the protocol can additionally destroy the stake outright. There is no equivalent in mining, where the hardware retains resale value regardless of what you did with it.
Which is why staking is not a promotion or a loyalty program, though it is often marketed as one. It is the security budget. The network pays validators because it needs them, and it needs enough capital committed that attacking becomes irrational.
Rewards
Reward rates vary by network and change over time based on total amount staked and protocol rules. Higher advertised rates often come with higher risk or less liquidity, not a free lunch.
Rates move inversely to participation on most networks, which surprises people expecting a fixed yield. The protocol needs a certain amount of stake committed; when little is staked, it pays more to attract it, and when a lot is staked, the same rewards are split more ways and the rate falls. A rate quoted today is not a rate you are promised.
A very high advertised rate on a small network is usually telling you something specific: that the token's inflation is high, and that the yield is compensation for holding an asset whose supply is expanding quickly. Earning 20% in a token that inflates 25% is a loss dressed as income.
Lockups
Many staking systems require your tokens to remain locked for a set period, or an "unbonding" window, before you can withdraw them, meaning you can't always sell immediately if prices move against you.
The lockup exists for a reason that is easy to miss: a stake you could withdraw instantly would be useless as collateral, since a validator could misbehave and exit before the penalty landed. The unbonding period is what makes the threat credible, which means it is not an inconvenience the protocol could remove if it wanted to.
The consequence for you is a real and asymmetric risk. Unbonding windows run from days to weeks depending on the network, and they are exactly as long during a crash as during a calm week. If the price falls 40% while your tokens are in a queue, you watch. Liquid staking tokens exist to solve this, giving you a tradable receipt for your staked position, and they solve it by adding smart contract risk and a token that can trade below the asset it represents, particularly in the moments you would want to sell.
Risks
Beyond lockups, risks include slashing penalties for validator misbehavior, the staked asset's price falling regardless of rewards earned, and, for some setups, smart contract risk. We compare it with the more active business of yield farming separately.
Of those, price risk dwarfs the rest and is the one people discount. A 5% staking reward on an asset that falls 50% is not a 5% return; it is a 47.5% loss with extra steps. Staking rewards are paid in the token, so they do nothing whatsoever to hedge the token, and no reward rate compensates for being wrong about the asset. If you would not hold it unstaked, the yield is not a reason to hold it.
Slashing is real but rare, and it is worth being calibrated rather than frightened. It penalizes validators who sign contradictory blocks or go offline persistently, and on a competent provider it essentially does not happen. The likelier version of the same risk is a provider taking an outsized cut of your rewards, which is not dramatic and is far more common.
Two structural notes to close on. Most people stake through an exchange or a pool rather than running a validator, since Ethereum's solo requirement is 32 ETH, and that means the provider is validating, not you: you have added their custody or contract risk to the ledger. And rewards are usually taxable as income when received, in most jurisdictions, at the value on the day, which creates a tax liability in currency you did not receive.
Ways to stake
There are broadly four routes in, and they differ mostly in what you are trusting rather than in what you earn. Running your own validator is the purest version: maximum reward, no third party, and a real operational burden, since downtime is penalized and 32 ETH is a considerable entry price on Ethereum. Staking through an exchange is the easiest, and it means the exchange holds your assets, which reintroduces exactly the custody risk that self-custody was for.
Staking pools sit between the two, letting several people combine stake under a professional operator, who takes a cut. Liquid staking goes one step further and hands you a tradable token representing your staked position, so your capital is not stranded during the unbonding window. That convenience is genuine and the trade is specific: you are holding a token whose value depends on a smart contract and on the market's willingness to price it at par, which is not guaranteed precisely when it matters.
Worth noticing what all but the first have in common. Each solves a real inconvenience by inserting an intermediary, and the aggregate effect is that a large share of the stake securing major networks now sits with a handful of providers. That is a decentralization problem for the network and a counterparty problem for you, and it is the quiet cost of staking having become easy.