this is really cool and I have a couple of good ideas about how I could use this. Question is - how much does it cost for the card? Minimum volumes ? When a c

this is really cool and I have a couple of good ideas about how I could use this. Question is - how much does it cost for the card? Minimum volumes ? When a card is issued - do we get the card number back? e.g Could I use the card number for something else like a loyalty card.