Peony Chain is a public peony chain based on blockchain and traceability technology, as well as a weakly centralized peony traceability system. Peony Chain is a blockchain platform developed based on blockchain technology for peony supply chain and product traceability. Its underlying technical framework follows multiple specifications and standards of the blockchain super ledger project, and has undergone a series of transformations targeting the business scenarios of the peony industry.As a credit token issued by the peony industry ecosystem, MDL is used for the circulation of the entire peony industry ecosystem, never to be issued again, and has a release, destruction, and price deflation mechanism strongly related to market demand and product sales....