Method and system for providing certification of vaccine inoculation and post-inoculation management

A method for vaccination management including a trusted institution server associated a trusted with institution, a medical institution device associated with a medical institution, a user device associated with a user, and a blockchain network that includes a public distributed ledger,

• a first storage space of the public distributed ledger being set to be modifiable only by the trusted institution server, an identifier of the trusted institution and an identifier of the medical institution being stored in the first storage space,
• the method comprising:
• transmitting, by the medical institution device, a vaccination certificate issuance request including vaccination information, an identity certification verifiable credential (VC) for the user received from the user device, a vaccination agency VC for the medical institution, and a digital signature of the medical institution, to the trusted institution server;
• verifying, by the trusted server, institution the vaccination agency VC based on a digital signature of a VC issuer included in the vaccination agency VC and the identifier of the trusted institution stored in the blockchain network, in response to the vaccination certificate issuance request;
• determining, by the trusted institution server, whether or not there is an authority for the vaccination certificate issuance request based on the vaccination agency VC and a medical institution database stored in the trusted institution server, in response to the vaccination certificate issuance request;
• issuing, by the trusted institution server, a vaccination certification VC including the vaccination information, at least some data included in the identity certification VC, and a digital signature of the trusted institution, based on the verification result and the determination result;
• and
• transmitting, by the trusted institution server, the vaccination certification VC to the user device.