Frankly I think every stock-oriented subreddit is a controlled operation meant to pull value from the subscribers only. I doubt almost any thread on those subs are people authentically sharing their perspectives.

Yes. The data for the image isn’t hosted in the block chain of the NFT. The NFT is basically an unfalsifiable digital signature of authenticity.

They’re popularly used for digital art, but can be paired with any technology as a digital signature.

I’m pretty sure if we’re excluding instances with troll farms or hosting illegal material, the map of Lemmy instances is still kind of a single amorphous blob, with nearly all connected instances being just 1 connection away from their blocked instances. These can’t be defined as isolated instance-clusters. Lemmy.world users seem to always know what hexbear users are up to because of their federated neighbors, lol.