Should an NFC mobile payment service be coupled with a card or keychain device?

Should an NFC mobile payment service be coupled with a card or ...We often hear that one of the problem of NFC is that it is depend heavily on the mobile phone reliability, including the battery... In order to avoid beingstuck without a payment mean, should a provider offer a card or passive tag (in a keychain) in order to backup the phone if not working?... www.mobilepaymentlab.com/.../should-an-nfc-mobile-payme...

Assembling & extending the #NFC mobile #payment ecosystems ... excerpt: During the afternoon session of Cards & Payments conference day one, Elizabeth Duke, Head of Sales Asia Pacific from C-Sam gave the post-lunch.. blogs.terrapinn.com/.../assembling-extending-nfc-mobile-pay...

Samsung Unveils Galaxy S III, Supporting NFC Payments and ... Samsung Electronics has introduced its much-anticipated Galaxy S III, which, as expected, will support NFC for mobile payment, along with an enhanced version ... nfcretailers.com/?p=527

Samsung Unveils Galaxy S III, Supporting NFC Payments and ... 2 man in Visa Inc.'s mobile-payment unit and a former vice chairman of the NFC Forum, has left the payment network after more than 15 years, NFC Times has ... nfctimes.com/.../samsung-unveils-galaxy-s-iii-supporting-nfc-...

Mobile Payment Technology and the Risks Near Field Communication (NFC). Mobile payment is a blanket term in which users can pay for goods and services from their phone. In this sense, there's more ... www.geekzu.com/mobile-payment-technology/