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G&D ensures security of O2 wallet payments in Germany

Giesecke & Devrient (G&D) will ensure the security of applications in Telefónica Germany’s electronic wallet, the O2 Wallet. In February the telecommunications company became the first network operator in Germany to launch a wallet service.

As part of a friendly user test, O2 customers are able to use their NFC-enabled smartphones with the related NFC SIM card to make contactless payments in all participating shops around the world. In future, the O2 Wallet will be expanded to include further applications such as coupons and loyalty programs. For the wallet service’s pilot phase, G&D is providing the NFC SIM cards and the TSM (Trusted Service Manager) service.

With the O2 Wallet, customers can use their phone to make contactless payments in any shop that displays the MasterCard PayPass logo. G&D is providing the O2 Wallet’s Trusted Service Manager service, which forms the basis for secure payments. Users’ personal payment-card details are transferred to a specially protected area on the NFC SIM card. The Trusted Service Manager also provides additional lifecycle management services such as locking and unlocking the payment applications, for example in the event the NFC-enabled smartphone is lost. 

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