The official issuance product is a service of certificate issuance from an official entity : administration, regulators, schools, training centers, academy, land register, gallery, luxury goods, attendance certificates, etc.
All files may be recorded. Image and pdf files are natively accepted. Others format should be encapsulated into a pdf file
Each document Hash is recorded into the Blockchain and inserted into a pdf file.
The PDF contains :
- a link to the blockchain transaction. The transaction display the HASH-256 of the file
- the link to the original file (image or pdf)
- the document itself
COLLECT OF PROOF ITEMS
The collect and cast of proof is very simple :
- Download of the original file
- Calculate the Hash-256 of the file downloaded (step1)
- Compare this hash-256 of the saved original file (step 1) with the hash-256 mentioned in the blockchain transaction