Trouble in a wallet: What's behind the Paytm storm

Paytm founder Vijay Shekhar Sharma has often spoken of Irish rock band U2's hit, Where the streets have no name, a song about wanting to break free and be in a world with no limitations, as his "life story in a way". So far, the song has tied in well into Sharma's journey — from a small town in western Uttar Pradesh to helming India's most valued fintech unicorn. Born to a school teacher in Aligarh, Sharma first built and sold an online venture for $1 million back in 1999 — when most Indians were still untouched by the Internet…