How did Nandan Nilekani help transform digital payments in India?

Infosys Co-founder Nandan Nilekani played a significant role in shaping India's digital payments ecosystem by helping create Aadhaar and UPI. He was instrumental in the formation of NPCI, which developed UPI, bringing major Indian banks together to build the platform. Nilekani also helped convince the RBI to support the initiative and establish a regulatory framework for digital payments.