Polkacity is an NFT marketplace that aims to “revolutionize the ownership of virtual assets” by building the world’s first 3D and AR NFT platform that will be on multiple blockchains. Users can purchase and own virtual taxis, gas stations, and services and earn interest on their assets. By holding the NFTs representing them, users receive weekly payments as the virtual city combining different DeFi elements grows. Polkacity is constantly expanding the available assets, now also including land and infrastructure. Launched at the beginning of 2021, Polkacity has published a mobile app and a desktop version of its virtual city. In Q3 2021, Polkacity launched its marketplace, where citizens can trade assets. In the future, the project foresees expansion to different blockchains and the addition of additional NFTs like neighboring cities or even continents....