MeshMap is an open and decentralized platform focused on creating a 3D map of the world. It leverages crowdsourcing and blockchain technology to enable applications in gaming, navigation, immersive experiences, and real estate planning. Users can contribute by mapping locations, scanning, and geotagging, with rewards provided via onchain incentives. The platform also supports gaming use cases, such as City Champ, an augmented reality (AR) game. MeshMap aims to build a comprehensive virtual representation of the world while rewarding contributors and players for their participation.