Web3 Hackathon Projects: Open-Source Code Examples

SimpliFi Pay: A regulatory-compliant, privacy-focused payment dApp built on World Chain. Seamless social login, gasless transactions, and user-owned KYC powered by World ID. Making crypto payments accessible to everyone through Telegram Mini Apps.

Academic peer-review platform where scientists can set up a bounty to get qualified reviewers for their paper.

Uniswap V4 Hooks template based on a Meta Contract framework with function-level upgradeability and clonability

Volt is a Web3 polling platform offering seamless login with Web3Auth, private messaging via XMTP, and anonymous voting with MACI + Privy. Designed for DAOs, Volt ensures privacy, trust, and fairness while simplifying governance for all.

using peaq to track drones. Drone Remote ID Verification with peaq Network

Decentralized patreon for creators & communities to fund what they love, together

Connecting at large events is hard. Serendipity offers privacy-preserving matchmaking using your Twitter data.

AnonMarket: A privacy-first predictive market platform using Alice's Ring signatures to keep votes anonymous. Bet on outcomes like Bitcoin's price in 2 months or the next U.S. president with full security and transparency!

NPC.ai is a playground where users create autonomous AI agents with their own wallets and personalities. These NPCs independently trade tokens, mint NFTs, and interact with other agents. Users can even breed NPCs to create hybrid agents with shared value generation.

Turn posts into actionable insights with PredictX! Create prediction markets directly from an X (Twitter) post, enabling real-time, cost-effective betting, opinion sharing, and crowd-sourced forecasting. Transform discussions into predictions and tap into the wisdom of the crowd!

Think 'FarmVille,' but for crypto nerds with an eye for digital livestock. Build your virtual farm by 'mining' adorable animals, rare crops, and shiny tools – all on the Ethereum blockchain. Warning: May cause an irrational fear of rug-pulling cows!

Show-Tie is an on-chain verifiable invitation protocol for cross-chain use, preventing bot abuse and enabling rewards for real users. Invitations are easily managed across chains and form attestations usable in any DApp.