Interoperability: Interoperability refers to the ability of different virtual environments, platforms, and technologies to work together seamlessly. This means that users should be able to move freely between different virtual worlds and experiencesin a seamless fashion.
NFTs: Non-fungible tokens (NFTs) are digital assets that are unique and cannot be replicated or replaced. In the context of the metaverse and interoperability, NFTs provide a way to represent and transfer ownership of virtual assets, such as virtual real estate, digital clothes(skins), digital game tools, digital art, and other virtual items.