Crypto — Beginner
What Is Staking?
Staking lets holders of proof-of-stake coins earn rewards by helping secure the network. This guide explains the mechanism, what you give up, and how to compare staking yields honestly.
Key concepts in this guide
- How proof of stake works and why it replaced proof of work on some chains
- What validators do and what happens when they misbehave (slashing)
- Lock-up periods and what they mean for liquidity
- How to read a staking APY honestly
- Delegated staking and liquid staking
The mechanism
On a proof-of-stake blockchain, the right to validate new transactions is allocated to participants who lock up (“stake”) the network’s native coin as collateral. Honest validators earn newly issued coins and a share of transaction fees. Validators who act dishonestly or go offline can be penalised by having part of their stake destroyed — a process called slashing.
The economic model replaces proof of work’s reliance on computing power with a reliance on financial commitment. Security comes from the fact that cheating risks losing real capital that is already locked in the system.
What stakers earn and what they give up
Staking rewards are paid in the native coin, at rates that vary by network congestion and total staked supply. A higher share of the supply staked generally means lower individual rewards, because the same issuance is split across more participants.
The costs are less often discussed:
- Lock-up period — staked coins are typically locked and cannot be sold immediately. On Ethereum solo staking, there can be a queue to unstake. During a sharp price drop, you may be unable to exit.
- Slashing risk — validator software misconfiguration, double-signing, or downtime can trigger slashing. If you stake through a pool this risk is pooled, but it is not zero.
- Coin price risk — a 6% staking reward is worthless if the coin falls 40%. The yield is denominated in the coin, not in fiat.
How to stake: three approaches
- Solo validator — run your own node and meet the minimum stake (32 ETH for Ethereum). Full control, maximum reward, full technical responsibility.
- Delegated staking — delegate to a validator through the network’s native mechanism. Common on Cosmos-ecosystem chains. You earn rewards minus the validator’s commission.
- Liquid staking — protocols like Lido accept any amount and issue a token representing your staked position (e.g. stETH). You can trade or use that token in DeFi while still earning staking rewards. Adds smart-contract risk on top of staking risk.
Reading a staking APY
Quoted staking APYs are estimates, not guarantees. Check: (1) whether it is nominal (in the coin) or real (adjusted for new issuance dilution); (2) what lock-up period applies; (3) whether the protocol has a history of slashing incidents; (4) the total staked ratio, which affects future reward rates. An unusually high APY is almost always a signal of higher risk, newer protocol, or temporary incentives.
Related reading
Educational content only. Not financial advice. Staking rewards are not guaranteed and capital is at risk from both price moves and slashing.