110+ Solidity Web3 Hackathon Projects

An L3 blockchain on Base Mainnet built using OP Stack and op-reth for the consensus layer while allowing creators to make merit-based contributions while helping project owners.

loyalty rewards and e commerce via web3 for baseball stadium and a professional baseball team

An ephemeral faucet creator ✨ use the CLI app to create a faucet or claim testnet tokens

Cookie Jar Protocol streamlines fund allocation in DAOs with optimistic governance and high social trust. Members can withdraw small token amounts with minimal overhead, ensuring transparency and accountability via Ethereum Attestations on EAS and Farcaster frames.

EthBet.games leverages Pixel L3 on Base-Sepolia for ultra-low gas fees in a provably fair online casino. Powered by OpStack, Pyth Entropy, WorldID, Blockscout, Base, and Conduit it offers secure, fast blockchain gaming. #BlockchainGaming #PixelL3

Unleash the power of meme coins on our blazing-fast OP Stack L2! Instantly mint your own memecoin for under $1, complete with on-chain storage, dynamic analytics, yield-generating vaults, and a "Go Viral" toolkit—all crafted to make your meme go mainstream in seconds!

A live trivia game built using ThirdWeb on Optimism, Base, Mode and Livepeer. (HQ Trivia for Web3))

Agent that combines AI and Defi to easily analyze your crypto and swap it to the coin of your choice

A payment link generator for small businesses to help receive payments in USDT

RA - AI Agent allows users to initialize the Research mode while publishing it as an NFT, granting them full ownership.

Shazam Pacman is a decentralized Pacman game built using React and Solidity. The project integrates Web3 authentication through Web3Auth, and users can interact with the game on the blockchain, tracking their scores and retrieving top users via Blockscout.

Environment agnostic SDK for enabling native and ERC20 batch txns over EVM chains