We've admitted more than once just how ubiquitous and versatile Apple's iPhone 4 and iPod really are (despite of the some of the problems the smartphone developed by the company from Cupertino had in terms of signal power and antenna design), and we'll have to do that once again when taking a look at the new In2Pay iCaisse4 plug and play mobile payment solution developed by DeviceFidelity, that enables iPhone 4 to be used to make payments at contactless-enabled merchants worldwide.

The In2Pay iCaisse4 provides protection against handset damage by shielding all surfaces of the iPhone 4 except the screen.

The solution comes equipped with a microSD slot that is designed to accept the In2Pay microSD secure contactless device, issued by a financial institution or wireless carrier as a credit, debit, prepaid or a multiple account digital wallet.

Once consumers plug in their In2Pay microSD, they can simply wave their iPhone 4 to pay at retail stores, fast food restaurants, in taxis, vending machines and tens of thousands of other merchants enabled to accept contactless payments worldwide.

The In2Pay microSD contains the same secure smart card chip that is used in millions of chip and PIN smart cards issued in EMV-compliant countries worldwide.

Transactions conducted by this device with the terminals are compliant with industry standard payment schemes such as the VISA payWave that generates a dynamic variable verification code for every transaction, helping prevent fraud.

The In2Pay iCaisse4 integrates seamlessly with the In2Pay App for iPhone.

The complete In2Pay solution also supports full mobile wallet feature implementation and can support multiple accounts, Over the Air (OTA) provisioning, transit applications through MiFare support and a host of other value added features.

“With tremendous interest shown by financial institutions and wireless carriers for our In2Pay solution worldwide, we are glad to announce our latest offering and support for iPhone 4,” said Amitaabh Malhotra, COO, DeviceFidelity, adding that “we are confident that the latest figure-hugging design of the In2Pay iCaisse4 will aesthetically appeal to iPhone 4 users and make it their preferred way of making payments worldwide."