There is an important tweet you can vote for DeepOnion
https://twitter.com/KuCoinItalia/status/1391850381207027715
Lead dev post on NFT
I went through the thread and these are very interesting discussions.
From what I understand, there are a few things here:
(a) how can we distinguish original digital work from a copy
(b) how can we determine the ownership of the digital art
(c) how can we record the transfer of the ownership, and identify the ownership
you can read rest at https://deeponion.org/community/threads/nfh-non-fungible-hash-deepvault.45553/page-3#post-683533
Good