Ticketmaster will soon admit you to events using audio data transmitted from your phone — VentureBeat — “Ticketmaster will soon be able to admit you to live events and track your movement using nothing more than a discrete digital audio broadcast from your smartphone… The ticketing giant has teamed up with Lisnr, a data-over-audio company that uses an ultrasonic sound technology it calls ‘smart tones’ to transmit information between devices.”
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Should we start on pool on how quickly this will be hacked?
No more quickly than the bar codes that they use now.
I like it. One assumes that the data will include all the ticket information, a nonce, and redundancy to ensure that the former is easy to read reliably. Having the transmitter and the receiver also on the same network can provide even more security. That we can clearly do it right is not assurance that we will not do it wrong.