Decentralized finance exchange with automated market making, lending pools, and yield farming capabilities.

CryptoVault envisioned a next-generation DeFi platform that combined swap, lending, and yield farming into a single unified experience. The main challenges were ensuring smart contract security to protect user funds, optimizing gas costs on Ethereum mainnet, and creating an intuitive interface accessible to both DeFi-native users and newcomers entering the space for the first time.

We engineered gas-optimized Solidity smart contracts using OpenZeppelin's battle-tested libraries, implementing a constant-product AMM with concentrated liquidity positions. The lending protocol featured algorithmic interest rate curves that adjust dynamically based on utilization. We built a React frontend with real-time protocol analytics powered by The Graph subgraphs, integrated wallet connections for MetaMask, WalletConnect, and Coinbase Wallet, and conducted three rounds of security audits with leading blockchain security firms.