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A vendor displays the Paytm mobile digital payment app, operated by One97 Communications Ltd., on his smartphone in an arranged picture in Bengaluru, India, on Saturday, Feb. 4, 2017. A relative laggard in digital transactions, India has more recently seen 50 percent year-on-year growth, according to a study by Google and Boston Consulting Group. The pace may accelerate with demonetization giving digital wallets like Paytm, MobiKwik and Freecharge an extra push. Photographer: Dhiraj Singh/Bloomberg via Getty Images

A vendor displays the Paytm mobile digital payment app, operated by One97 Communications Ltd., on his smartphone in an arranged picture in Bengaluru, India, on Saturday, Feb. 4, 2017. A relative laggard in digital transactions, India has more recently seen 50 percent year-on-year growth, according to a study by Google and Boston Consulting Group. The pace may accelerate with demonetization giving digital wallets like Paytm, MobiKwik and Freecharge an extra push. Photographer: Dhiraj Singh/Bloomberg via Getty Images