Gowithmi (high-dimensional earth) aims to build a distributed map network that benefits everyone and supports multiple chains. In view of the disadvantages of the existing location-based service infrastructure represented by Google, such as central monopoly, slow update, poor privacy protection and no benefit sharing, gowithmi cooperates with global users to build a digital twin, real-time, reliable and mutually beneficial decentralized location-based service infrastructure to serve high-frequency and rigid demand industries of location-based services such as sharing economy, o2o and automatic driving, Lead the world into the era of distributed commerce. GMAT is the value measurement, storage and incentive tool of gowithmi and the general voucher for driving the construction of map ecology. All services on the platform use GMAT for payment and settlement, external circulation and issuance. GMAT holders have the right to vote and govern the community related to the amount of money.