← Back to home

Carmen Sandiego

Welcome to the Web3 version of the classic Carmen Sandiego detective game!

Problem Statement

Welcome to the Web3 version of the classic Carmen Sandiego detective game! Players must answer 10 geography and culture questions correctly to catch the elusive Carmen Sandiego. With 30 questions in rotation, each game presents a unique challenge.Can you catch Carmen? You need to get ALL 10 questions right - one wrong answer and she escapes immediately! 🏃‍♀️💨

Solution

🏗 ArchitectureBlockchain: Base Sepolia Testnet (Ethereum L2)Smart Contract: Solidity game logic with anti-cheat mechanismsData Storage: IPFS for questions dataset (configurable local/remote)Indexing: The Graph Protocol for game statistics and leaderboardsFrontend: React + Vite with Web3 integration (ethers.js)

Hackathon

ETHGlobal Cannes

2025

Contributors