Due to the characteristics of blockchain - data traceability, each pet's information chain can be traced back to the source in PET, which can perfectly solve industry trust issues.PET will establish a transparent pet dynamic database, where all data is transparent to all nodes to curb arbitrary charging. Let the entire industry develop in a more benign direction.PET combines blockchain technology with the traditional pet charity industry. The charity fund will donate directly to pets in the form of smart contracts to improve the utilization rate of donations, make them more transparent and open....