DNFT is a cross chain decentralized NFT asset network based on matter, committed to creating a new generation of NFT protocols, especially for big data and practical NFT assets. The main network DNF token, as the original token of the DNFT protocol network, will be issued when the main network is started. Before the main network DNF is issued, the DNFT team first issues ERC20 tokens for IDO and listing. The DNF bridge will allow ERC20 DNF holders to convert ERC20 tokens into the main network DNF, with a 1:1 ratio for free conversion....