Its already happens, with NFT notarize mechanism to provide the NFT owners a Proof of Ownership its make a possibility where in the future a House ownership can signed with a blockchain technology, seems interesting.
Blockchain is experiencing very rapid development. but we must be honest with ourselves that the current utilization is still not too big.
use for NFT project you mean just one of them. but to use it as a notary functional replacement seems too far away.
blockchain has not really been fully adopted. state administration and banking, how do they deal with it all?