I don't understand this at all. What is the difference between this and simply using our Bitcoin addresses as usual?
Also "Only authorized merchants are able to get access to the database of these numbers,and their private key."
This doesn't sound good.
Bitty is backed by a physical card, so you can easily purchase stuff out of your computer.
I trying to make Bitty secure, so only "big" mechants will get access to the Bitty database.That prevents hacks on thing like BitBills, which really store the product key inside them.
I would be happy to accept any idea!