The trials are part of a broader initiative by Telefónica to deploy NFC-capable devices. While NFC is widely used in Japan and South Korea, the same kind of adoption has yet to take place in Europe and North America, and while recent advancements such as Google Wallet have been seeing some progress, mobile service providers are rightfully concerned about their role in the new paradigm. Telefónica Wallet for BlackBerry could shift the balance in the telecom's favor by incorporating "SIM-based NFC capabilities," ensuring the company maintains some control over the new digital wallet functions. Anything goes as long as we can tap to pay for our bocadillos, right?