Step 1: The certificate issuer uploads the certificate to the portal which extracts the important data from the certificate and encrypts it.

Step 2: The encrypted data is send to the blockchain network and returns a transaction hash.

Step 3: Then blockchains transaction hash along with the encrypted data are used to generate a a new QR code which is attached to the encrypted certificate.

Step 1: User opens the portal and scans the QR code attached to the encrypted certificate.

Step 2: User then authenticates using email and OTP.

Step 3: After successful authentication, the portal fetches the encrypted data and blockchain transaction hash from the QR code and verifies the certificate.