ToneTag is a sound business: Co-founder and CEO Kumar Abhishek

'ToneTag has been able to showcase that we can put an identity to your voice', says Abhishek

ToneTag uses sound waves to enable contactless, offline data communication across devices. Launched in 2013 and backed by Amazon, MasterCard, 3one4 Capital and Amansa Capital, it claims it is the world’s largest sound-wave communication technology platform. Kumar Abhishek, co-founder and chief executive officer, spoke to Raghu Mohan. Edited excerpts:

Why did you opt for sound as a medium for enabling payments?

The limitation in wireless technology is that both consumers’ and merchants’ devices (mobile phones) must have wireless modules. Globally, this was the biggest challenge to solve even for Apple, when they launched Apple Pay. In India, hardly 20