What is Staking?

Staking in cryptocurrency is the process of locking up a certain amount of coins to help secure and operate a blockchain network, and earning rewards for doing so. Blockchains that allow staking use a system called Proof-of-Stake (PoS) (as opposed to Proof-of-Work used by Bitcoin’s “mining”). In a PoS network, validators are chosen to verify transactions and create new blocks based on the coins they have staked, rather than based on who has the most computing power. This method is far more energy-efficient than mining because it doesn’t require heavy computatio– instead, it relies on participants having a financial stake in the network’s success.

When you stake your crypto, you typically lock it into a wallet or staking platform for a period of time. While staked, your coins help to validate transactions and secure the network. In return, the network rewards you with new cryptocurrency (staking rewards). For example, by staking ETH (Ethereum’s coin), you earn more ETH over time as a reward for helping validate the Ethereum blockchain. Many popular blockchains use staking, including Ethereum, Cardano, Solana, Polkadot, Cosmos and others.

Why does staking exist?

Staking is crucial because it aligns the incentives of coin holders with the health of the network. By having something “at stake” (your locked coins), you’re motivated to follow the rules and keep the network secure. If a malicious actor tried to attack or cheat the system, they would risk losing their staked coins. In fact, many PoS blockchains have penalties (called slashing) for validators who misbehave – this means a portion of their staked coins can be destroyed if they try to cheat or even if they go offline negligently. This threat of losing money encourages honest behavior and makes it extremely expensive to attack a well-staked network. On the flip side, the more people stake their coins, the more secure and decentralized the network becomes, because an attacker would need to control a huge amount of the staked coins to take over.

In summary, staking serves two main purposes: (1) it allows crypto holders to earn passive income in the form of additional coins, and (2) it helps secure the blockchain by incentivizing good behavior\. Next, let’s explore the different types of staking and how they work.

Proof-of-Stake (PoS) Staking

Proof-of-Stake staking is the most common form of staking and is part of the blockchain’s core operation. In a PoS network, anyone with the minimum required coins can become a validator by staking those coins. A validator’s job is to verify new transactions and bundle them into a “block.” The blockchain selects validators to create new blocks based on a combination of factors like how many coins are staked (more stake can increase your chances), how long they’ve been staked, and sometimes random luck. When a validator is chosen and successfully adds a block to the chain, they receive a block reward (newly minted coins or transaction fees) as a staking reward.

Source: https://ethereum.org/en/staking/

For example, Ethereum now uses PoS for block validation. To become a full validator on Ethereum, you must stake 32 ETH (the required minimum). Your staked ETH activates a validator node – a piece of software that runs 24/7 to process transactions and secure the network. As a validator, you can currently earn roughly 4-5% annual yield in ETH rewards (the rate varies) for doing your duty. However, running a validator comes with responsibilities – if your node goes offline or you try to cheat, you could be slashed, losing some of your 32 ETH as a penalty. Not everyone has the technical ability or the large amount of ETH to stake solo. Fortunately, it’s possible to stake less than 32 ETH by joining pools or using staking services\. Many regular users stake via exchanges or staking pools that gather many people’s ETH and run validators on their behalf, splitting the rewards.

Staking in DeFi (Decentralized Finance Platforms)

Outside of core blockchain consensus, the term “staking” is also commonly used in the context of Decentralized Finance (DeFi). In DeFi, staking usually means locking your cryptocurrency into a smart contract to earn yield, but here you are supporting a DeFi protocol rather than securing an entire blockchain. This can take a few forms:

• Lending/Borrowing Platforms: On DeFi lending platforms like Aave or Compound, users can deposit their tokens (e.g. depositing DAI stablecoin) into the platform’s pool. Borrowers can then take loans from this pool. As a lender, you earn interest on your deposit, similar to a savings account. Some platforms call this “staking” your assets because you’re locking them in the protocol to earn yield.
• Liquidity Pools: A very popular form of “DeFi staking” is providing liquidity to decentralized exchanges (DEXs). For instance, on PancakeSwap (a DEX on BNB Chain), you can stake tokens in liquidity pools to earn rewards. Providing liquidity usually means depositing a pair of tokens (for example, CAKE and BNB) into a pool so that others can trade those tokens – in return, you earn a share of the trading fees and often additional token rewards.
• Other DeFi Staking: There are many other variations. Some projects ask users to stake their governance tokens to earn a share of protocol profits. Others have fixed-term staking where you lock tokens for a set duration in exchange for a higher yield. The key idea in all these is you are locking tokens in a smart contract and earning some form of return (interest, fees, or new tokens).

Risks of Staking

While staking is generally considered safer than highly speculative trading, it is not without risks. It’s important to understand the potential risks before you stake:

• Slashing (Validator Penalties): As mentioned, many PoS networks employ slashing to penalize bad actors. If you run a validator (or even delegate to one), and that validator breaks the rules – for example, by validating conflicting transactions or going offline too often – the network can destroy a portion of the staked coins as a punishment.
• Impermanent Loss (for Liquidity Providers): If you are staking by providing liquidity on a DEX (a common DeFi staking strategy), you face a risk called impermanent loss. Impermanent loss happens when the price of one or both tokens in your liquidity pair changes significantly relative to when you deposited them. In such a case, the value of your share in the pool may be lower than if you had simply held the tokens separately. This loss is “impermanent” because if the prices return to the original state, the loss diminishes – but if you withdraw at the wrong time, the loss becomes permanent.
• Technical Risks (Smart Contracts and Custody): When staking through a smart contract (DeFi platform) or an exchange, you introduce the risk of bugs, hacks, or custodial issues. Smart contracts can have vulnerabilities that attackers exploit – there have been cases where stakers lost funds due to a protocol being hacked. Similarly, if you stake via a centralized exchange or service, you’re trusting that provider to hold and stake your coins for you. If that provider gets hacked or faces an issue (or goes bankrupt), your staked funds could be at risk.