Solidity Projects: 3893+ Open-Source Web3 Examples

As beginners, we worked on a project related to NFT, using nounsDao and our school's art materials, and deployed contracts on the Flow chain. Finally, we deployed our NFT casting page on the website. On the page, you can connect to the wallet, cast our NFT, and transfer it

Collusion resistant information dispute resolution tool using MACI

It's an application for divers to keep dive logs on a blockchain.

Gecko is an autonomous multi-agent AI auditor that combines LLM’s with custom security tools like fuzzers and static analysers to simulate a hacker's intuition and detect vulnerabilities in Solidity and Cairo smart contracts.

A decentralized stablecoin application utilizing Worldcoin for identity verification and Flow blockchain for verifiable random number generation, allowing users to securely deposit USDC, invest in DeFi opportunities, and receive fair and transparent rewards.

A privacy-preserving Chrome extension that lets users monetize their browsing data. Using World ID for authentication and Oasis Sapphire for secure data handling, it creates a fair marketplace where users earn from their data while buyers access quality information.

Marketplace for custom lending and borrowing offerings. It allows user to post, accept, update, repay and reclaim their loan proporsals

UNI Bridge for All BlockChains User can launch a new ERC404 token by any movie (need to pay 100 $BST) User can buy SBT of any movie which can access the SBT permission discord channel for the movie

The decentralized platform where travelers and brands connect through matching vibes, powered by dynamic event creation

HarvestReward is a blockchain platform that enhances agriculture by enabling transparent supply chains, automating contracts, offering DeFi for farmers, and tokenizing assets and data—boosting efficiency, traceability, and market access for farmers and agribusinesses globally.

Outsourcing daily tasks just got easier with Web3 technology. Want someone to help with dog walking? Or would you like to walk dogs to earn some money in your free time? Taskify is the solution.

zkElect is a blockchain-based platform that revolutionizes elections and surveys with zk-SNARKs and MACI. It ensures secure, anonymous, and transparent voting, preventing tampering, coercion, or bribery.