The NBA is an unlikely way to acquaint people with non-fungible tokens (NFTs), but Top Shot Moments(Opens in a new window) exploded in early 2021 as digital versions of old-school basketball cards. 

Instead of a two dimensional rectangle made out of cardboard, a Top Shot Moment is a three dimensional cube that loops a clip of a basketball player in action—unique items that wouldn’t be possible in the physical world. There are four collectible tiers—Common, Rare, Legendary, and Ultimate—and they can be purchased as packs(Opens in a new window) or as standalone Moments. You can