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Lending & Borrowing in DeFi – One of DeFi’s killer apps: decentralized lending platforms like Aave, Compound, and MakerDAO. These act as global, autonomous money markets. How do they work? Users can deposit crypto assets into a pool (locking, say, ETH or USDC) and earn interest – they become liquidity providers (like a decentralized bank). Borrowers can then take a loan from that pool by putting up collateral of their own. All loans are over-collateralized – meaning to borrow $100 of stablecoins, you might need to lock $150 of ETH, for example. If the value of your collateral falls too much (due to price swings), the protocol will automatically liquidate it to repay the loan (protecting the pool). This way, lenders are pretty safe (loans are secured), and borrowers get quick liquidity without credit checks. Interest rates are set by supply and demand: if lots of people want to borrow a particular asset, its rate goes up, attracting more suppliers, and vice versa. Aave introduced features like flash loans – uncollateralized loans that you must pay back within one blockchain transaction (used for arbitrage, etc.). MakerDAO’s system allows you to lock ETH and generate DAI (effectively borrowing DAI against ETH) – it’s how DAI is created. These protocols have enabled things like yield farming loops (borrow one asset to buy more of another and deposit again, etc., though that’s advanced risky stuff). For an everyday user, DeFi lending can be used to earn passive income on holdings (earn interest on stablecoins or even ETH – though watch for variable rates) or to access liquidity without selling your crypto (e.g., need cash but don’t want to sell your ETH, so borrow stablecoins against it). Risks include smart contract bugs and extreme market crashes causing cascade liquidations. But platforms like Compound and Aave have been battle-tested and managed huge loan books. They represent a powerful shift: anyone can be their own bank, earning or borrowing with a few clicks, no paperwork. It’s financial empowerment – just remember to manage that collateral wisely and mind the volatility! #DeFiLending #Compound #Aave #Borrowing #DeFi #Lending