Tài Liệu PDF

PDF documents, is a system in which allows users to share documents in PDF format to all users in two forms, free and paid.

Free form: the document is publicly viewable, anyone can view and download it (even without membership registration).

Paid form: we pay on the block chain platform and take MOC tokens as the currency in payment, with this form can be seen as a way to trade and exchange documents for a fee.