On the other hand: - anyone in the room knowing your name can get free cookies (or anything else) - signal travel through air, so physical hack is not necessar

On the other hand: - anyone in the room knowing your name can get free cookies (or anything else) - signal travel through air, so physical hack is not necessary anymore - its still tied to your phone ;-) the rest is pretty cool, but i'd like to confirm manually each transaction thank you very much. I want to keep control of MY stuff, my money, my phone. My my my.