Not directly related to Google Wallet, but have a read of this wrt to NFC payments: http://news.cnet.com/8301-1001_3-20090016-92/visa-sets-deadlines-on-nfc-effo

Not directly related to Google Wallet, but have a read of this wrt to NFC payments: http://news.cnet.com/8301-1001_3-20090016-92/visa-sets-deadlines-on-nfc-efforts/ http://news.cnet.com/8301-1001_3-20090016-92/visa-sets-deadl... "Visa will also push dynamic authentication to overcome any security worries and encourage adoption. With dynamic authentication it would be hard for a criminal to use a card at a point-of-sale system even if payment data is compromised. Visa will support personal identification numbers (PINs) and signatures--so called static authentication--but expects both to give way to dynamic authentication."