YuGiOhCard is a multichain card collection with a 1+N mechanism. YuGiOhCard NFT is the main form of YuGiOhCard, and its pictures and attributes are based on "Yu-Gi-Oh! TRADING CARD GAME”. YuGiOhCard NFT is divided into main card and subcard. The main card, using the ERC721 standard, is issued on the Ethereum chain with a total of 13,613 cards. The subcard, using ERC1155 standard, is issued on the Ethereum Layer2 network or EVM-compatible chains, including but not limited to Ethereum, Polygon,...