Crypto Check is a skill to give you an overview of the cryptocurrency market. It pulls data using the coinmarketcap.com api, which is updated every 5 minutes.
The information returned is: 1) current total marketcap size in US dollars 2) number of active cryptocoins / tokens 3) Bitcoin percentage of overall marketcap
It also gives price info and price percentage change for: 1) Bitcoin 2) Ethereum 3) Ripple 4) Bitcoin Cash 5) EOS