Part of the appeal of collectibles is that they hold their value through time (if they are preserved properly). It's not clear to me if an NFT of today will sti

Part of the appeal of collectibles is that they hold their value through time (if they are preserved properly). It's not clear to me if an NFT of today will still exist in 50 years? I assume that it will, but it also implies that people will still be mining the same legacy blockchain then.