[Retracted] A Novel Structure of Blockchain Applied in Vaccine Quality Control: Double-Chain Structured Blockchain System for Vaccine Anticounterfeiting and Traceability

Table 2

Vaccine batch storage record and transportation record.

Vaccine batch storage record	Vaccine batch examination record
(i) Vaccine name	(i) Vaccine name
(ii) Vaccine batch number	(ii) Vaccine batch number
(iii) Vaccine specifications	(iii) Vaccine specifications
(iv) The date of production	(iv) The date of production
(v) Quality guarantee period	(v) Quality guarantee period
(vi) The date of storage	(vi) Cold chain store temperature
(vii) Storage temperature	(vii) Cold chain store humidity
(viii) Is the storage in the dark	(viii) Exception information records
(ix) Exception information records	(ix) Hash of examiner signature
(x) Hash of reviewer signature	(x) Extra details and information
(xi) Extra details and information