PROOF OF STAKE & STAKING REWARDS
Plain English
After Ethereum switched from mining to 'Proof of Stake' in 2022, you can now earn rewards by locking up your ETH to help validate the network. It's like earning interest — but instead of a bank paying you, the protocol pays you in new ETH. Staking yields currently run 3-5% annually on Ethereum.
Going deeper
Proof of Stake (PoS) replaces energy-intensive mining (Proof of Work) with economic staking. Validators deposit 32 ETH as collateral to participate in block validation. They earn rewards for honest validation and risk 'slashing' (partial collateral loss) for malicious behavior. Staking mechanics: Solo staking requires 32 ETH (~$100,000+) and technical setup. Most retail users access staking via: (1) Liquid Staking Protocols — Lido (stETH), Rocket Pool (rETH), Coinbase (cbETH). You deposit any amount of ETH and receive a liquid token representing your staked ETH + accruing rewards. stETH is used in DeFi as collateral. (2) Exchange Staking — Coinbase, Kraken, Binance offer staking with lower yields but simpler UX. Current Ethereum staking yield: 3-4.5% APY (in ETH). Non-ETH staking: Solana validators earn ~6-7% APY, Cosmos chains 10-20%. Risks: smart contract risk in liquid staking, slashing risk (low but real), ETH price volatility, and liquidity risk (direct staking has unbonding delays).
Examples
Liquid Staking Flow
You have 5 ETH. Deposit into Lido: receive 5 stETH immediately. Your stETH balance automatically increases as staking rewards accrue — approximately 0.045 ETH per year (at 4% yield) with no action needed. Keep it in your wallet or use stETH as DeFi collateral while earning. No lockup, sell anytime.
Staking vs. Holding
Hold 10 ETH for 1 year: 10 ETH. Stake 10 ETH via Lido at 4% yield: 10.4 ETH. If ETH price stays at $3,000: $31,200 vs. $30,000 — extra $1,200 from staking. If ETH doubles: $62,400 vs. $60,000. Staking adds yield on top of whatever the price does — there's no real downside vs. holding, only smart contract risk.