A Cryptocase is the Vertisan (VTSN) Fractal version of a “Wallet” in Crypto 1.0 speak.
In Crypto 1.0 (BTC all the way until now), you could only have a wallet store one particular kind of crypto. A CryptoCase can store various kinds of Fractal Assets, including VTSN and, later, VTSN Liberty. Eventually, it is designed to hold all kinds of assets. You can see your CryptoCase holdings at https://cryptocase.org/Dashboard.