An original data circulation system for storing or circulating original
data which is digital information is provided. The original data
circulation system includes an issuer apparatus, a user apparatus and a
collector apparatus. The issuer apparatus generates originality
information including first information corresponding to the issuer
apparatus and second information corresponding to data and sends the
originality information. The user apparatus verifies the validity of the
source apparatus of the originality information and stores the
originality information when the validity is verified. The collector
apparatus verifies the validity of the source apparatus of the
originality information and processes data corresponding to the second
information when the validity is verified.