DeFi Lending in 60 Seconds
You deposit crypto into a lending protocol. Borrowers pay interest to use it. You earn yield. That is it — DeFi lending is the closest thing to a savings account in crypto.
Borrowing is the flip side: deposit collateral, borrow against it. Use the borrowed funds for trading, yield farming, or real-world expenses without selling your bags.
Why Borrow Instead of Sell?
If you hold 10 ETH and need ,000, you could sell ETH. But then you lose exposure to ETH upside. Instead: 1. Deposit 10 ETH as collateral 2. Borrow ,000 USDC (at ~2-5% APR) 3. Keep your ETH exposure 4. Repay the loan whenever you want
This is how DeFi whales operate — they never sell.
Top Lending Protocols
Aave — The Blue Chip
Chains: Ethereum, Arbitrum, Polygon, Optimism, Base, Avalanche · TVL: B+Aave is the oldest and largest lending protocol. Battle-tested through multiple market crashes, governance attacks, and protocol upgrades. If lending protocols had credit ratings, Aave would be AAA.
Supply APY: 1-5% (stablecoins), 0.5-3% (ETH/BTC) Borrow APY: 2-8% (stablecoins), 1-5% (ETH/BTC)
Why choose Aave: Maximum security and liquidity. Deepest markets mean best rates for large positions.
Morpho — Better Rates
Chains: Ethereum, Base · TVL: Growing fastMorpho optimizes lending rates by matching lenders and borrowers directly (peer-to-peer) when possible, falling back to Aave/Compound pools otherwise. The result: better rates for both sides.
Why choose Morpho: 10-30% better rates than Aave on average. Same security (builds on top of Aave/Compound).
Kamino — Best on Solana
Chain: Solana · Focus: Lending + LiquidityKamino started as a liquidity management tool and expanded into lending. Fast becoming the go-to lending protocol on Solana with auto-compounding vaults and leverage products.
Why choose Kamino: If you are on Solana and want lending, Kamino is the top choice. Clean UX, integrated vaults.
Drift — Solana's All-in-One
Chain: Solana · Focus: Perps + Lending + SpotDrift combines perpetual trading with lending markets. Deposit collateral, earn yield, and trade perps — all on one platform. The lending rates are competitive because borrowing demand comes from perpetual traders.
Why choose Drift: You get lending yield AND access to perps trading in one place.
Understanding Liquidation
This is how people lose money in DeFi lending:
1. You deposit ,000 ETH, borrow ,000 USDC (50% LTV) 2. ETH price drops 40% → your collateral is now worth ,000 3. Your LTV is now 83% → above the liquidation threshold 4. The protocol sells your ETH to repay the loan + liquidation penalty (5-10%)
How to avoid liquidation: - Keep your LTV below 60% (conservative) or 70% (moderate) - Set up alerts (DeBank, Aave's own notifications) - Have extra collateral ready to deposit if prices drop - Use stablecoin-to-stablecoin lending for zero liquidation risk
Yield Strategies
Conservative: Stablecoin Lending
Deposit USDC/USDT/DAI into Aave or Morpho. Earn 2-5% APY with zero liquidation risk and minimal smart contract risk.Moderate: ETH/SOL Lending
Deposit ETH or SOL. Lower APY (1-3%) but you maintain price exposure plus earn yield. Best on Aave (ETH) or Kamino (SOL).Aggressive: Leveraged Yield Looping
1. Deposit stETH → Borrow ETH → Swap to stETH → Deposit again → Repeat 2. You earn the stETH-ETH yield spread multiplied by your leverage 3. Risk: If stETH depegs, you get liquidated. Only for experienced users.Platform Comparison
| Protocol | Chains | TVL | Best For | Rates | |----------|--------|-----|----------|-------| | Aave | Multi-chain | B+ | Security, large positions | Average | | Morpho | ETH, Base | Growing | Better rates | Above average | | Kamino | Solana | B+ | Solana lending | Competitive | | Drift | Solana | B+ | Perps + lending combo | Variable |
Getting Started
1. Pick a protocol based on your chain (Aave for EVM, Kamino for Solana) 2. Start with stablecoin lending — learn the interface with no price risk 3. Graduate to collateral lending once you understand LTV and liquidation 4. Never borrow more than you can afford to repay — treat DeFi loans like real debt
--- APYs fluctuate constantly based on supply/demand. Rates shown are approximate. Smart contract risk exists on all protocols. Not financial advice.