The current CoinMarketCap ranking is 4935, with a live market cap of not available.
Anyways if you understand the basics explained in this article then you can grasp the crypto market as a whole.
Step App is the first app on the protocol, built by the core team.
A full explanation can be found.
This list by default contains both coins as well as tokens.
FitFi and move2earn are defining points in bringing the massive fitness market to the people in a frame where they earn from it.