69+ Solidity PRIVACY Web3 Hackathon Projects

We’ve built a perpetual positions protocol where you can long or short eBTC using USDC as collateral. For added security and seamless transaction signing, we’ve integrated Ledger.

The Signet Protocol enables users to update smart wallet owner keys securely across multiple blockchains in a single, standardized operation. This system ensures seamless multi-chain compatibility and reduces user complexity as we move to a passkey-based smart wallet future.

Kaching 2.0 is a decentralized tool that helps you keep track of your crypto transactions. It’s built for privacy and transparency, giving you control over your financial data while making it easy to organize and review your activity in the Web3 world.

FundNForget is a Web3 DeFi app for effortless crypto investing with professional fund managers. Users connect wallets, choose investment amounts, and automation handles the rest. Fund managers publish strategies, and the app automatically implements them.

The coWncil: A fully on-chain trading tournament platform powered by CowSwap, where users create and join tournaments to compete and crown the best trader.

Dark Factory combines the exploration of Dark Forest with the automation of Factorio. Players design layouts for islands to optimize resource production, leveraging blockchain and ZKP for privacy, security, and decentralized gameplay. Creativity and strategy are key!

A multichain meme coin launchpad enabling secure ERC-20 creation and fostering social engagement.

No physical documents needed! 🌍 One secure blockchain ID to verify, share, pay, and accept payments—private, seamless, and universally accepted. 🚀

PingTo.me bridges digital and physical worlds by turning your online presence into a smart NFC card. Share all your social links, portfolio, and contact info with one tap. Your complete digital identity, elegantly unified and ready to share anywhere. 🌐✨

LottoWin exemplifies how blockchain technology can revolutionize the lottery industry, setting a new standard for fairness and transparency while providing participants with an exciting and secure gaming experience.

A gas-optimized hook for Uniswap v4 that enables limit orders by monitoring price movements between ticks. Place orders at target prices and automatically execute trades when conditions are met. Built with Solady's ERC1155 for token positions.

Interest Bearing Stable Coin. Leverages STETH to provide interest for USDC.