This article is the first draft of the author's participation in the preparation of the TBI Trusted Blockchain Promotion Plan "Blockchain Supply Chain Collaborative Application White Paper" Blockchain, as a technology closer to money, has gradually entered the public eye since 2016 and has been over-promoted. After my beloved Xi Jinping delivered a 1024 blockchain speech, it ignited many students in the blockchain field (including me). ) The fanatical heart. However, the blockchain has b...