Blockcity is the entrance for users to experience the blockchain world. It is a large-scale mobile app, based on GXChain. Blockcity attracts millions of users through “Mining” incentive. Moreover, many great dApps are introduced to Blockcity, which provide various services. One of our targets is to make Blockcity the largest blockchain dApp platform worldwide and help dApps to easily commercialize and benefit everyone. In the future, Blockcity will work on the trusted data economy and help users take control of and earn from their data.