There are two pulls to draw on for experimenting with Money, currencies, and everything that's not a currency. For the former, if we treat those Three Properties of Currencies like the postulates in Euclid's Elements, we can start to look for things to question.
Does a currency have to be fungible? And if not, what would that mean?
Does a currency have to be divisible? And if not, what would that mean?
The above are interesting, but I think where we get the most play is in a discussion of What, Exactly, Is A Marketplace?
Then for the rest of Money we can start with an examination of tokens, how they map to computer things, an how they can be used within the contest of a digital cultural system's marketplace to provide a mechanism for exchange within that marketplace through the mediums of exchange that are the marketplace's currencies.
If that sounds boring, let me foreshadow that there will be vampires involved.
So let's figure out What A Token Is, and then learn what we can do with them.