Near Sound Data Transfer (NSDT) is a sound-based mobile transaction technology developed and patented by
Tagattitude since 2005. NSDT uses a one time password sent through the audio channel of a mobile device to create an electronic signature enabling secure transactions.
''Le cash, c'est fini: Quels sont les modes de paiement du futur''
dans '' 20 Minutes'' du 19 mars 2010 Because all mobile telephones have an audio input and output (speaker and microphone) built in, this technology is compatible with all mobile phones in use worldwide.
Applications
NSDT is primarily used for mobile banking
Mobile banking is a service provided by a bank or other financial institution that allows its customers to conduct financial transactions remotely using a mobile device such as a smartphone or tablet. Unlike the related internet banking it uses ...
transactions through the mobile money platform Tagpay. It is also used to securely open doors and enable authentication on websites.
See also
* Air gap (networking)
An air gap, air wall, air gapping or disconnected network is a network security measure employed on one or more computers to ensure that a secure computer network is physically isolated from unsecured networks, such as the public Internet or an ...
* Van Eck phreaking
Van Eck phreaking, also known as Van Eck radiation, is a form of eavesdropping in which special equipment is used to pick up side-band electromagnetic emissions from electronic devices that correlate to hidden signals or data to recreate these sig ...
Notes and references
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Wireless