Isis launched its mobile payments platform in Salt Lake City, UT and Austin, TX today, in a limited, initial rollout that's probably best viewed as a tech test more than an NFC payments panacea. We've know for quite some time that these would be Isis' launch markets (after numerous delays), and we also had a basic idea of how the system would work: NFC. What wasn't so widely-known is the fact that Isis uses the SIM secure element method to store payment credentials.
This is in contrast to Google Wallet's method, where your virtual MasterCard (used as the medium through which your payments are processed) is stored in a secure element that is typically included as a part of the NFC chip.



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