Question from an amateur.

Thoughts of DeepVault do not leave me, and more questions arise. Speaking about notarization of documents, contracts, etc. Unfortunately, since I have macOS I can't test this technology, and I hope that it will appear in the next update of the purse for iOS, but for now ...

I saw there are jobs in the domination, verification of already certified documents, in our case it's wallpapers and pictures. And now let's imagine that this is a contract of sale of property.

Suppose I bought something and the contract was thrown at DeepVault, then a conditional realtor crook, after the transaction changes my name in my contract and also registers it in DeepVault under the same name and on the same day.

Attention questions:
1. What will happen if this pseudo-regulator brings a contract for registration to the Rosreestr (for example) before me (we take a hypothetical case in which the Rosreestr of Russia accepts DeepVault as working technology)?

2. How can I defend my right with this technology in this case? (As far as I saw the information about who and when assured the document DeepVault does not provide)?