An open-source protocol The traditional way to build a metaverse is a top-down approach, even with the technology of NFT, the intellectual property rights are still held by the creators which makes it difficult for derivative creation. The bottom-up approach is to first form a community, then to build the metaverse. It requires creators to have a more open mind towards intellectual property, a protocol is needed in such circumstances, such as CC0. All the IP is given away, so the community mi...