A Franko wallet is loosely the equivalent of a physical wallet on the Franko network. The wallet actually contains your private keys which allow you to spend the frankos allocated to your Franko addresses in the block chain. Each Franko wallet can show you the total balance of all Franko addresses it contains and lets you pay a specific amount to a specific person, just like a real wallet. This is different to credit cards where you are charged by the merchant.