Launch a Decentralized Lending and Borrowing Platform with Smart Contracts
Design a DeFi protocol where users can supply liquidity, borrow against collateral, and repay loans using transparent and autonomous smart contract logic.Traditional lending systems are slow, centralized, and require trust in intermediaries. DeFi removes middlemen by allowing users to interact directly with smart contracts, ensuring fair, secure, and automated loan agreements backed by crypto collateral.
Develop a smart contract-based lending platform where users can deposit crypto assets to earn interest, and others can borrow funds by locking collateral. The system automatically calculates interest, tracks loan health, and executes liquidation if needed.
Collateralized Borrowing
Borrowers must lock approved tokens (e.g., ETH, USDC) as collateral to take loans.
Automated Interest Accrual
Smart contracts calculate and apply interest rates in real-time based on loan terms.
Lender Yield Generation
Liquidity providers earn interest on their deposited assets proportionally over time.
Liquidation Mechanism
If the loan-to-value (LTV) ratio exceeds thresholds, collateral is liquidated automatically.
Users interact with a smart contract pool. Lenders deposit assets, and borrowers lock collateral to take loans. The contract maintains the health factor of each loan and can trigger auto-liquidation via an oracle when thresholds are breached. All transactions are transparent and recorded on-chain.
- Solidity contracts for lending pools, borrowing logic, and liquidation
- ERC-20 token integration for supported assets
- React dashboard for lending, borrowing, and loan tracking
- Chainlink oracles for real-time price feeds
- MetaMask-based wallet access and collateral management
Blockchain
Ethereum or Polygon for smart contract execution
Smart Contracts
Solidity contracts for deposit, borrow, interest, and liquidation
Frontend
React.js + Ethers.js + Tailwind CSS for user-friendly DeFi dashboard
Oracle
Chainlink Price Feeds for collateral valuation and liquidation triggers
1. Build Lending & Borrowing Smart Contracts
Implement functions for deposit, interest accrual, loan issuance, and collateral locking.
2. Add Collateral Management Logic
Set LTV ratios, liquidation thresholds, and allow multiple asset support.
3. Integrate Oracle Price Feeds
Use Chainlink to fetch real-time prices and trigger loan health calculations.
4. Create DeFi Dashboard UI
Allow users to view pool stats, borrow funds, track interest, and repay loans easily.
5. Simulate Lending Protocol on Testnet
Deploy contracts, mint test tokens, and simulate deposit/borrow/repay cycles with real users.
Empower Global Finance with Transparent DeFi Lending
Build a decentralized alternative to traditional banking by enabling trustless loans and fair returns on crypto assets.
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