A full-stack blockchain web application built on the Ethereum Sepolia testnet. Created as a portfolio project to explore Web3 development, DeFi mechanics, and real-time cryptocurrency data.
Multi-token crypto savings bank with tiered lock periods and dynamic yields. Production-ready Solidity protocol with ERC4626-inspired vault system, penalty redistribution, and comprehensive security patterns.
Decentralized identity verification dApp built with Solidity smart contracts and a Next.js frontend. Enables users to securely register identity hashes on Ethereum via MetaMask, demonstrating full-stack Web3 development, smart contract deployment, and frontend–blockchain integration.