Demonetisation was a surprise, shocking, crucial step towards a technology driven society. In about a month it changed rules sixty times. Does it suit the techno-discriminated poor? Is it relevant? Who are deciding the course - the elected governments or MNCs? Is the central bank role changing? A weak rupee is a boon or a bane? Would cyber crimes – $ 4 billion a year - be contained in a digital economy or rule the roost? Should we empower or disempower authorities? Who is supreme – the people, banks and financial institutions or the technology? There are questions galore. The book tries to encapsulate it all. A must read for scholars, researchers and financial wizards to understand the changing historical, political, economic course technological evolution and innovation.