The former. If you use the Google Wallet app on the phone, it almost always shows up as the proxy MasterCard now. This has ramifications for rewards programs:

The former. If you use the Google Wallet app on the phone, it almost always shows up as the proxy MasterCard now. This has ramifications for rewards programs: http://support.google.com/wallet/bin/answer.py?hl=en&topic=1349429&answer=2688794 http://support.google.com/wallet/bin/answer.py?hl=en&top...