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Root NFC MicroSD Card

Then you're going to need a faraday cage for a phone case so people can't come up to you and scan your NFC phone.
 
Nfc is what allowed you to ' pay with your phone when you see a nfc scanner. You open the App and put your phone in front of the scanner and bam. Groceries paid for
 
A couple of things:

Pro-- You don't need to protect your phone from people carrying scanners, the NFC chip only activates when you press a button on your phone to use it.

Con-- I personally won't use it till there is more security built in to prevent someone from finding/stealing my phone and using the NFC to make purchases. Something stronger than a PIN would be necessary IMHO.

Con-- I probably wouldn't suggest using NFC on a rooted phone at this time. A malicious app/webpage script could conceivably gain access to the NFC system on a rooted phone.

Fix those two cons, and I would definitely use NFC to pay for my burger and fries. ;)
 
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