No, in the scope of an Active Sandbox these methods are in DEMO mode. But for the productive subscription you need to have your own contract with these service providers. We will get you in contact with them. 

These can be configured to your requirements. 

Yes, it is. Our custom tokens are compliant with the current standards (e.g. ERC-20) on the Ethereum blockchain, and are ready to be adapted to any potential new standards which might emerge in the future.