Tagattitude, a French company that enables the use of all existing mobile phones as payment tools and authentication devices, was present at the Mobile World Congress in Barcelona.

They provide mobile payment solutions and simple 2-factor web authentication solutions—all 100% operator and handset agnostic. Their patented technology, NSDT (Near Sound Data Transfer), uses any phone’s audio channel to transmit encrypted transaction data (e.g. one-time-passwords, electronic signatures, certificates…).

Last year, they released TagPay, a complete mobile payment platform powered by NSDT. It offers a secure and convenient mobile payment service that is free and works with any phone.

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