XRE is a decentralized game ecosystem developed based on the graphene framework. Publishers provide a convenient asset distribution network and provide gamers with a user community and asset trading platform. Judging from the current stage of block currency development, the game public currency project is the core infrastructure for block currency games to reach a large-scale mainstream audience. XRE provides ecological services such as Token issuance, game virtual asset transactions, and derivative value-added of game user coins for block currency games, builds the infrastructure of the block currency game industry, and finally creates a free and safe game asset issuance, exchange and circulation ecology .