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Near sound data transfer
Sound-based mobile transaction technology developed by Tagattitude since 2005 From Wikipedia, the free encyclopedia
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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.[1] The technology uses a phone's audio input and output (speaker and microphone) functionality and thus is compatible with mobile phones in use worldwide.
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NSDT is primarily used for mobile banking transactions through the mobile money platform Tagpay. It is also used to securely open doors and enable authentication on websites.
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