Like all economies there is a currency to back it up.
You can:
Infinite coins.
Infinite gems.
Infinite sapphire.
In UtopiaVR, there are two ways of world building 3D party apps and unity uploader and in app building with our, yours, and other Utopians 3D objects, materials, textures, etc. Click here for more information. Your not just single zones or worlds now. You create a universe, then a world and then add plots of land aka what most other metaverses call worlds.
We want to give you the tools to create what every you dream off, please visit Coming soon adding games to your creations