There I was in the summer of 2021.  Having a casual conversation with my friend Chris when he subtly raised the issue of non-fungible tokens (NFTs).  NFTs are similar to their sibling, crypto currency, in that they are a unit of data stored on a blockchain.  If this last sentence sounds like Greek, than you know what I felt when listening to Chris that summer afternoon. But there were more conversations and each time I learned a little bit more.  Chris would usually end the conversation by saying, ‘when you’re ready we will talk about X, Y, and Z’.  And when I understood enough that I was ready to tackle…