This is the 2nd part of an ongoing NFT classification series. — In the second part of this NFT series, we dive a little deeper into the different NFT waves and classifications. Editor’s Note: Here’s an attempt to help you gain a better sense of the NFT space. Of course, this is just a humble attempt to highlight what has happened, and ponder on what’s next. In the meantime, let’s carry on! Imagine being able to buy a tweet. Well, you don’t…