Square - The QR code used to pay has the Square logo integrated into it.
Square card case iPhone app - Credit card form that shows card type and flips around when you get to the security code on the back.
via Matt Bilson
Square - If you have an account that isn’t linked to a verified bank account, you see a little pressure gauge icon giving a visual warning that the potential transaction is too high for an unverified account.
/via thisisrelevant
