A: Issuance of Documents:
a. Metadata relating to the document is attached to a PDF file (optional).
b. A fingerprint of the whole document (PDF incl. the metadata) is included in a Bitcoin transaction.
c. The transaction details are added back to the metadata on the PDF file.
d. The vPDF documents are disseminated to owners.
B: Validation of Documents:
a. Go to an online validator found on issuer’s and other websites.
b. Upload the PDF file.
c. Get an immediate response as to its validity.
C. Revocation/Expiry of Documents:
a. An additional transaction is created on the Blockchain that invalidates previous records without erasing audit trail, either manually or automatically by defining an expiry date for the document.