The global blockchain notary creates legally significant evidence of the existence of documents at a particular moment in time.

The document certification system helps to solve the following tasks: fix the content of any document, a system, based on a mathematical algorithm (calculating the hash function), calculates the hash value, which is unique for each document, comparing the hashes allows to identify documents and find any changes in them ; fix the time of document creation, the system writes the hash value into the public blockchain, it is possible to prove that the hash of this document existed at a particular moment in time, which means that the document itself existed at a particular point in time.

The system can be used by companies in the financial and banking sector for the following purposes: monitoring the state of the mortgaged property or insurance object, monitoring the document management, recording written or oral agreements.