I think sound box was adopted from Chinese payments companies. I remember seeing it in SEA before paytm launched it here.  
  
 https://www.alibaba.com/showroom/qr-payment-sound-box.html 
  
 You can locate so many manufacturers, sellers based out of China.

Product Manager

I know at least 4 people who claim it on Paytm.

Strategy & operations

Lmao. LinkedIn, where everyone is Forbes30under30

Software Engineer

Senior Consultant

Copied from china like all other Indian startups

Do we know who cam up with thr idea of sound box guessing it cam from inside paytm if not the person can we know who was behind the idea like the designer,

Do we know who cam up with thr idea of sound box guessing it cam from inside paytm if not the person can we know who was behind the idea like the designer, PM or eng or someone from strategy department?

Who came up with the idea of paytm sound box(person)