Why is the blockchain traceable?

Block straight track chain can record the whole process of data and cannot be changed. Therefore, the use of blockchain technology for traceability is scientifically based. Blockchain projects are very popular now. The project of returning to SMIC blockchain service platform initiated by Changsha High-tech Zone has now entered the formal operation stage and has been rated as a key project of blockchain in Hunan Province. The next step is to collect enterprises to go online.