50+ Solidity Web3 Hackathon Projects

A DApp you can use to be married on-chain. Use it during a wedding ceremony, interact with your guests, and get an AES attestion as Proof-of-Marriage.

A bridge which uses EIP-4337 and Account Abstraction infrastructure

An onchain/zero knowledge based solution for an anonymous, sybil-resistant voting platform f.

modular multistrategy defi vault deployed on mantle. frontend is deployed on goerli to allow interact with an aave strategy with weth, but can modularly add different strategies and their respective weights.

Creating sound waves *fully* on-chain and allowing NFT holders to paint music samples on a digital soundboard (grid) — allowing communities to enter into a collaborative experiment to create a soundtrack of all samples painted in each location.

Minotaur follows the mythological Greece story of fury, revenge, and betrayal among the Greek gods. The labyrinth, brimming with mysteries and traps, becomes the stage for a gripping tale of heroism and destiny, where mortals and gods collide in a timeless struggle

Batchminting of nft where user makes multiple transactions signing only once

Typeflood Racer: Earn tokens by typing faster & accurately! Gamified stress-testing for blockchain networks. Boost your typing skills while powering blockchain development!

Crowdfunding platform to empower the next billion wave of crypto builders by funding their journey to ETHGlobal hackathons

An ERC-20 token representing a pool of several assets, like an ETF in traditional finance.

A social wallet that allows users to log-in with well-known providers (i.e. Google, Github, etc) and sign transactions with the credentials from these providers.

Callhook is an extension for all EVMs addressing the current limitation in smart contracts whereby smart contracts can only be invoked by EOAs. Contracts are unable to initiate calls and this limitation hinders the adoption of flexibily and event-driven paradigms