FantaSwap and cross-chain bridge provide support for NFT and token transactions on different chains. FantaSwap is a new generation cross-chain issuance and transaction protocol based on Ethereum Layer-2 network. Using Layer-2 as the foundation, FantaChain combines multi-dimensional oracle and Web 3.0 technology to establish an intra-chain and cross-chain communication protocol that enables fast issuance of crypto assets and cross-chain transactions and circulation. We call this as cross-chain asset transaction agreement. This protocol supports the issuance of various encrypted assets such as local planet currency, race and character NFT, etc. These assets are exchanged and circulated in the game, enabling players to purchase characters, equipment, lands, etc conveniently.