Research on Grain Food Blockchain Traceability Information Management Model Based on Master-Slave Multichain

Table 2

Key information of grain food supply chain.

Project	Production	Processing	Storage	Transportation	Sale
Share information	Seed source	Product information	Storage location	Type of shipping	Product information
	Seed name	Processing process	Storage method	Place of departure	Sales time
	Planting environment	Processing environment	Warehousing time	Transportation time	Sales method
	Planting time	Quality inspection method	Quality inspection method	Transport environment	Sales location
	Harvest time	Quality inspection results	Delivery time	Destination	Sales link
Encrypted information	Planting quantity	Product cost	Warehousing cost	Transportation quantity; transportation cost	Purchase price
	Planting cost	Processing expenses	Warehouse quantity	Transaction information	Selling price
	Transaction information	Transaction information	Warehousing expenses		Total products