ELO Presale — Token Sale Web3 dApp

Contributed to ELO Presale, a Web3 dApp for managing participation in an early token sale. Built wallet connection, USDC-to-ELO purchases, presale stages, fundraising progress, token pricing, portfolio value, staking, vesting schedules, claimable tokens, activity history, and settings. Focused on secure Web3 flows, responsive Next.js UI, REST API integration, and reliable transaction data.