First of all, niop is a commodity trading system based on blockchain technology. It is neither a traditional blockchain public chain nor a token issued by erc-20 standard. Niop is committed to solving the problems in the process of bulk commodity trading, especially in mineral resources trading, such as information asymmetry, lagging information transmission, complex asset right confirmation, data blockade of transaction participants, upstream and downstream game and internal friction caused by political friction, industry barriers, trade secrets and other factors.