VaultX

VaultX is a DeFi lending and swap platform on Arbitrum with a fully gasless UX powered by Account Abstraction (EIP-7702). Users sign up with email, deposit collateral, borrow stablecoins, and swap tokens without ever holding ETH for gas. It uses XAUT (Tether Gold) and USDT (Tether USD) as tokens.

It is nextjs project built and vibe coded using claude code, The projects uses uniswap v3 contracts for swapping, and morpho contracts for borrowing and managing positions. It uses pyth api to fetch oracle prices. It uses privy for wallet as a service and eip 7702 for delegation with biconomy as smart accounts.