Interestingly enough, this is a pretty valid use for blockchain: tracking ownership of digital goods and giving scarcity and authenticity to items for which the marginal cost to copy is essentially zero.

Another example: https://www.theparisreview.org/blog/2018/01/23/much-pepe-sce...

Shocking that a purely digital Pepe trading card sold for nearly $40k USD (bought in PepeCash, of course).

Here's the company mentioned in the article: https://www.rareart.io/