Super Trade is an industry public chain based on blockchain technology for tracing and trading artworks. By linking the entire process of artwork creation and trading, we have perfectly solved the current challenges of ownership confirmation and circulation in the artwork industry. Specifically, Super Trade uses the Internet of Things technology to record the whole process of artwork creation, and generates a unique identity tag (NFT) for each artwork based on the principle of Cryptography hash operation, extracts the "digital fingerprint" and uploads it to the blockchain, so that the traceability is true, transparent, and tamper free, The on chain token that records GID and acceptance agreements can come to nodes to accept designated artworks at any time, and has rich smart contract support for circulation, mortgage and other financial services. It has created a new model of IAO (Initial Assets Offering), which greatly reduces the trust and communication costs of both parties in artworks trading and improves asset liquidity....