29+ React Web3 Hackathon Projects

A feature on Farcaster that allows users to fact-check and add context to casts by issuing attestations.

MarryMe is a project for proposing on-chain and obtaining an on-chain marriage certificate, built upon the Sign Protocol.

Transparent tracking and provenance of supply chain. | Built using sign protocol

A incentive mechanism for open-source scientific research using ERC 1155

Real You is a decentralized social platform promoting authentic content. Users share camera-only photos, participate in themed contests, and earn reputation. Blockchain-based attestations verify photo originality.

What are the Odz: Transform any social gathering into an exciting, interactive experience with virtual betting on event outcomes, fostering engagement and friendly competition among attendees.

A trustless onchain entropy source utilizing verifiable randomness

BeatCancer is an AI-powered assistant that provides personalized cancer care by analyzing patient data, medical records, and guidelines. It identifies screening gaps and crafts tailored treatment plans, empowering patients and healthcare providers for better outcomes.

VotexChain is a decentralized voting platform that ensures secure, transparent, and tamper-proof elections. Using the Sign Protocol, voters verify their identity, cast votes on-chain, and track results in real-time.

With the surge of memecoins in the crypto market, MemePolice offers a powerful tool to assess their risks. By analyzing memecoin data from the Ethereum blockchain, it calculates a comprehensive risk score, enabling users to make informed investment or trading decisions.

A blockchain-based real-time feedback and reward system for convenience stores and retail shops. Customers earn tokens or coupons instantly for their feedback, ensuring secure, tamper-proof data and enhanced customer engagement.

A decentralized roulette platform focused on ensuring fair play, privacy, and trust using Nillion and Sign protocol.